分布在房屋墙面两端的内外纵墙和横墙的”八字”形裂缝，产生的原因是（）。

A.屋面板受热伸长

B.不均匀沉降

C.压力过大

D.荷载过重

--- Would you like to join us?

--- Sorry, I’m not _______ as any one of you.

A．a so good player

B．a such good player

C．so good a player

D．such good a player