—Excuse me, could you ______ me your bike?

—Sorry, my mother is using it.[ ]

A. borrow

B. lend

C. keep

尿液混浊，可能的原因（）。

A.晶体尿

B.磷酸盐尿

C.脓尿

D.乳糜尿

E.以上都可以