She walked home by herself she knew that it was dangerous. A. if B. so that C. although

问题补充：

She walked home by herself, she knew that it was dangerous.

A. if

B. so that

C. although

D. because

答案：

A. if

B. so that

(答案→)C. although

D. because

解析：句意:尽管她知道那是很危险的，她还是自己走着回家了。If如果； so that 以便； although尽管； because因为。根据句意故选C。