题目：
Do you still remember the key points that _______ in his report? I don’t remember them all.
A．referred to
B．were referred
C．he was referred to
D．were referred to
答案：
答案：D
Do you still remember the key points that _______ in his report? I don’t remember them all.
A．referred to
B．were referred
C．he was referred to
D．were referred to
答案：D
