<綜合測驗>第26至30題為題組 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. (A) what (B) why (C) when (D) which”
