根据答语写出相应的问句。

1. —                                             

    — I want to see penguins because they are cute.

2. —                                             

    — Yes, the pandas are from China.

3. —                                             

    — The lions come from South Africa.

4. —                                             

    — I like tigers.

5. —                                             

    — Yes, it's a dolphin.

地高辛的有效血药浓度范围为

A．0.5～1.0g/ml
B．0.9～10.g/ml
C．0.9～2.0ng/ml
D．0.9～2.5ng/ml
E．0.5～2.0ng/ml