投资性保险产品主要有()。①分红保险 ②投资连结保险 ③变额人寿保险 ④万能保险
A．①②③④
B．①②③
C． ①②④
D．②③④
参考答案：D
我国总量控制实施的三阶段分别为：（）。
As they had no map with them, they had problem ______ the hotel. [ ]
A. find
B. finds
C. found
D. finding
