在括号里填上合适的词语。   

 (       )地答应    (       )的请求    (       )的眼泪    

 (       )地喊       (       )的木桥    (       )的脸    

 (       )的光芒    (       )的鱼汤    (       )的小鱼

An advertisement is useful in       it can persuade customers to but the kinds of goods in the shop.

A．that

B．which

C．what

D．whether