题干
This morning Ella called the manager to say that she was unable to work________a bad cold.
A：up to
B：due to
C：as for
D：except for
答案(点此获取答案解析）
B
This morning Ella called the manager to say that she was unable to work________a bad cold.
A：up to
B：due to
C：as for
D：except for
