. —We’re going to Paris for Sylvia’s birthday. But it’s a secret.

—Is it? OK, I________ her.

A．am not going to tell

B．will not tell

C．haven’t told

D．am not telling

基坑施工时不能用明排水法进行施工的为（）。

A．细砂土

B．砂砾土

C．粘土

D．碎石土