问题
选择题
—Simon, I wonder _______.
—Last Saturday.
A．when the foreign visitors arrived
B．when did the foreign visitors arrive
C．when the foreign visitors will arrive
D．when will the foreign visitors arrive
答案
答案：A
由答语可知这件事情发生在过去，且宾语从句要用陈述句语序，故选A。
