甲状旁腺功能亢进症表现为（）。
甲状旁腺功能减退症表现为（）。

A.高血磷低血钙

B.低血磷高血钙

C.低血磷低血钙

D.高尿磷高尿钙

E.高血磷高血钙

--When ___ you ____ your school trip?     

-- In five days’ time.

A．will, have

B．have, had

C．do, have

D．did, have