Would you please _______ your visit for a few days, stay a few

Would you please _______ your visit for a few days, stay a few days longer?
A、expand
B、lengthen
C、stretch
D、extend
【正确答案】：D
【题目解析】：expand 扩张 lengthen 加长 stretch 伸展 extend 延长原句：您能把访问时间___-几天，再多呆几天吗?只有D 符合题意，延长几天