钩端螺旋体感染后取血可检出抗体的时间是（）.
A.2天
B.3～4天
C.6～10天
D.3周
E.4周
参考答案：C
—Could you ______ me your dictionary?
—Sorry, I ______ it at home. [ ]
A. borrow, leave
B. lend, forget
C. lend, leave
D. borrow, forget
