问题
单项选择题
Customers may also be permitted to () their current accounts for a short period in anticipation of a credit item coming in.
A. overextend
B. overdraw
C. overvalue
D. overpay
答案
参考答案：B
解析：
overdraw透支。A．overextend货款过多；C．overvalue估价过高；D．overpay多付款。
