关于胸腺发育不全（DiGeorge综合征）的临床特点，应除外（）

A.常有多处畸形

B.胸腺发育不良

C.血清Ig常明显降低

D.对PHA增殖反应降低

E.常在新生儿期反复发生难以纠正的低钙抽搐

How ____ he is! He is always acting _____. He is really a _____.

A．foolish, foolishly, fool

B．fool, foolish, fool

C．foolish, fool, fool

D．fool, foolishly, fool