Question

【题目】The traffic was very heavy and __________ we didn't arrive on time.

A. all at once B. in return C. as a result D. in addition

Answer 1

【答案】C

【解析】考查介词短语辨析。句意：交通十分拥挤，因此我们没能准时到达。as a result “因此，作为结果”；符合题意。all at once“突然，忽然”；in return “作为回报”；in addition “另外”。