A-A+
Helen did not go to bed early last night becau
问题详情
Helen did not go to bed early last night because she had to ______ for today"s English test.
A．stay later
B．sat late
C．stay up
D．study later请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
解析：staylater意为呆晚一点，不一定熬夜；没有sitlate这一短语；stayup熬夜之意；没有studylater这一短语；因此[C]为正确的选项。
