第21题: [单项选择]It is probably both that he is going to the meeting on time ______ by the morning traffic jam. A. and that he might be delayed B. or that he might be delayed C. and he might be delayed D. otherwise that he might be delayed 参考答案:A 答案解析:[解析] 本题空格处是说又可能因早晨的交通堵塞而耽搁。both…and…的意思是“不但……而且……:既……又……”,因此正确答案为A。