Yet, lucid dreaming is 28 just having a clear dream.
答案：(C) more than
【句型】more than just 字詞搭配「不只是」，表示「清醒夢不只是擁有一個清晰的夢而已」；related to（與……相關）、aside from（除了）、nothing but（只不過是，語意相反，會跟後文「這是你發揮潛藏能力的機會」矛盾）都不合。
more than 你最熟的是「多於、超過」，後面接數字，像 more than 100 people（超過一百人）。接在 be 動詞後面、後面又跟著 just 的這個「不只是」用法，平常練得比較少，所以會猶豫。
先抓住句首的轉折詞 Yet（然而）。前一句說清醒夢和白日夢不同，我們完全沉浸在夢的世界裡；Yet 之後是要往上加碼的，而且下一句馬上接 It is your chance to play around with the extraordinary abilities buried in unused parts of your brain.（這是你去玩轉那些埋藏在大腦未使用區域裡的非凡能力的機會）。所以空格要表達的是「不只是……而已，還有更多」，這正是 more than just 的功能。驗算方式很簡單：把 more than just 換成 not just（不只是）讀一次，語意一模一樣。
nothing but（只不過是）方向剛好相反，代進去會變成「清醒夢只不過是做個清晰的夢罷了」，和下一句的加碼語意矛盾，是這一格最需要警覺的誘答項。順帶交叉提醒：108 年第 25 格的誘答項裡也出現過 Nothing but，用的是同一招；以後看到 nothing but，先確認前後文是要「往下壓」還是「往上加」。related to（與……有關）語意太弱，Yet 的轉折會落空。aside from（除了……之外）需要有一個被排除的項目，句構也接不上。
more than just（不只是……而已）、not just（不只是）、nothing but（只不過是）、rather than（而不是）、related to（與……有關）、aside from（除了……之外）、play around with（把玩、玩轉）、be buried in（埋藏在……之中）、extraordinary（非凡的）。
You must have had this kind of experience: While in the middle of a normal dream, you suddenly realize that you are dreaming. This kind of dream is called a "lucid dream." The term "lucid" means clear; lucid dreamers know that they are dreaming and 26 they are dreaming of.
It is different from daydreaming. When a person is having a lucid dream, the person's body is 27 ; when a person daydreams, his/her body is awake. Thus, daydreams are really just waking thoughts. In lucid dreams, however, we are completely immersed in the dream world.
Yet, lucid dreaming is 28 just having a clear dream. It is your chance to play around with the extraordinary abilities buried in unused parts of your brain. 29 , it is a way for you to put the deepest areas of your brain to good use while you're sleeping. You can be an everyday Jane Doe or John Smith while awake but a superhero while sleeping, 30 who you are in real life. All the obstacles of reality can be set aside and you are able to accomplish tasks that you could never manage in waking reality.