【题目】It is generally believed that communication skills are becoming ______ it takes to be a good doctor.
A. whether B. that C. how D. What
在线课程【答案】D
【解析】试题分析：考查主语性从句。It引导主语从句，句式为It+be+动词的-ed形式+that从句，It is generally believed that意为普遍相信的是...，而what引导宾语从句，指代skills，句意：人们普遍相信沟通技能对成为一个好的医生来说很重要，根据句意可以判断，故选D。