We found some precious jars and vases in an ancient tomb, ______you know , are valuable.

A．even the pieces of which

B．which even pieces

C．even the pieces of them

D．whose even pieces

会增加痉挛的因素有()

A．尿路感染

B．大便嵌塞

C．压疮

D．骨折

E．甲沟炎