Every one of us has several habits,（ ）most of them are unconscious and we perform them without any thought.
A.正确答案Beven if
B.even though
C.since
D.therefore
Every one of us has several habits,（ ）most of them are unconscious and we perform them without any thought.
Every one of us has several habits,（ ）most of them are unconscious and we perform them without any thought.
A.正确答案Beven if
B.even though
C.since
D.therefore
