question_answer

Which of the options correctly combines the following two given sentences without changing the meaning?

The patient had to stay in hospital. She had to get well.

A)  The patient had to stay in hospital because she had to get well.  

B)  The patient had to stay in hospital but she had to get well.

C)  The patient had to stay in hospital while she had to get well.

D)  The patient had to stay in hospital although she had to get well.