1. Companies that are targeting this niche have found taht products that simply do the job for ___ they were designed are easier to manufacture, required less..... (A) what (B) where (C) which (D) whom 疑問： 答案是C, 為什麼不是A呢? 2. Yet, despite all the advertising for these more advanced models, sales of cell phones that____ can be used to make and receive calls remain high. (A) highly (B) necessarily (C) only (D) partially 疑問： 答案C，為什麼不是A呢? 另外這題翻譯該怎麼翻? 請問是甚麼意思? 3. With only a few days left until the presidental election, analysts are now debating ____ candidate is favored to win. (A) about (B) on (C) which (D) whom 疑問： 答案C，為什麼不是B呢? 因為我看過有debate on 的用法.... 拜託各位了! 翻過文法書還是不懂...