【题目】It’s necessary to be prepared for a job interview. _________ the answers ready will be of great help.
A. Having B. Had C. Have D. Have had
在线课程【答案】A
【解析】
试题分析：考查非谓语动词。句意：准备工作面试时有必要的，准备好回答是很有帮助的，句中Having the answer ready为动名词短语作主语，故选A项。
考点 : 考查非谓语动词