题目
The couple ________ their new flat since the end of last month. They haven't finished yet.
A.
have been decorating
B.
have decorated
C.
has been decorating
D.
was decorating
知识点：初中英语知识点》动词》动词时态》现在完成进行时###牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and technology》Unit 3 Computers###章节：Module 2