Pick me up at eight o'clock, I _

Pick me up at eight o'clock, I __ my bath by then.
A、will have had
B、will be having
C、can have had
D、may have
【正确答案】：A
【题目解析】：by then给了我们提示，说明到将来的某个时候(即来接她的时候)，洗澡的动作就会完成。应用将来完成时态。