读一读，选出合适的选项补全对话(六选五)。
Mrs. Chen took Lingling and Dongdong to a swimming pool for a swim. They changed into their swimwear. Lingling went into the pool and enjoyed the cool water.
Lingling: 【小题1】 It’s cool!
Dongdong: No! I’m afraid of water.
Mrs. Chen: 【小题2】 It’s safe.
Lingling: I’m also afraid of water before. But you see I’m not afraid now.
Dongdong: But I can’t swim.
Mrs. Chen: It doesn’t matter. 【小题3】
Lingling: Don’t be afraid, Dongdong. 【小题4】
Mrs. Chen: Use the steps to come into the pool, Dongdong.
Dongdong: OK… I’ll have a try.
Mrs. Chen: Hold my hands.
Dongdong: 【小题5】
Mrs. Chen: No thanks. You can’t learn to swim till you jump into the water.

A．Don’t worry.

B．It’s not difficult.

C．Thank you, Mrs. Chen.

D．Hello, Dongdong.

E．Come on, Dongdong!

F．I’ll teach you how to swim.