【题目】Can you explain how it _______ that you missed the morning classes?
A.came across
B.came to
C.came up
D.came about

【答案】D
【解析】考查动词短语辨析。句意：你能解释一下，你上午逃课这件事是怎么发生的吗？A. came across”遇到 “； B. came to ”来到 “； C. came up”来了 “；D.comes about ”发生、产生“。故选D。