— Thank you very much.

— You are welcome. I was ______ glad to help.

A．too much

B．only too

C．not so

D．very much

用保棉铃防止棉花蕾铃脱落，最好在棉花的（）施用。

A、花铃期限

B、现蕾或始花期

C、苗期

D、吐絮期