，I have to put it away and focus my attention on study this week.

A．However the story is amusing

B．No matter amusing the story is

C．Whatever the amusing story is

D．No matter how amusing the story is

“碧玉妆成一树高，万条垂下绿丝绦，不知细叶谁裁出，二月春风似剪刀。”古诗中的万千枝条和绿叶，都是由植株的下列哪一部分发育来的

A．根

B．茎

C．芽

D．叶