单选题
______, I think it is in our firm"s best interest to double our hiring this year.
A、
In second nature
B、
On second thought
C、
At second best
D、
On second hand
【正确答案】
B
【答案解析】
选项B正确，词组“on second thought”意思是经过考虑。选项A、C和D在这个句子中都说不通。
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