题干
---Where will you start your work after graduation ---at home or abroad?
--Mm, it’s not been decided yet．I ______ continue my study for a higher degree．
--Mm, it’s not been decided yet．I ______ continue my study for a higher degree．
A：need
B：must
C：would
D：might
答案(点此获取答案解析）
D
和 
各代表什么数?请你算一算。