问题
选择题
--- What’s up with Maria? She looks upset.
--- A call from her mother ________ the attack of homesickness.
A．set out
B．set about
C．set off
D．sent off
答案
答案：C
“她妈妈的一个电话勾起了她的思家之情”。set off“激起”。所以答案C。
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