My uncle lost his ID card yesterday. ______, a boy found it and gave it back to him last night.

A．Loudly

B．Clearly

C．Luckily

D．Nearly

下列均为筋瘤的发病原因，除了（）

A.筋脉薄弱

B.久立

C.经常负重

D.久坐

E.妊娠