单选题 The instructions on how to use the new machine ______ that nobody seemed to be able to understand.
  • A. were very simplistic
  • B. was very confused
  • C. were so confusing
  • D. was so simplistic
【正确答案】 C
【答案解析】[解析] confused混乱的；慌乱的，狼狈的。形容事物时用confusing，形容人时用confused；simplistic把复杂问题搞得过于简单的，简单化的。答案是C。