单项选择题

M: Have you finished typing that report for me
W: Not yet.
M: But I gave it to you yesterday morning
W: I know, but I’ve been engaged the whole day.

Why hasn’t the woman finished typing the report()

A. Because she has been lazy.
B. Because she has bee,, busy.
C. Because she doesn’t like to type it.
D. Because she has forgotten to type it.