When listing things, a comma doesn't come after "and", so B and D are wrong. C doesn't have any punctuation. This means that A is right
She was the perfect woman in the 1940s
He is not to be trusted alone because he will fall off the wagon and do things he does not want to do.
Answer:
It's wrong I'd and password or right I'd and password
I think that the school should not accept the $2,000,000 for the ad. I wouldn’t choose to accept the money for the ad, not only because the school cannot say no, but because I believe that there may be an ad that the school may not want. If the ad goes public, it could ruin the school’s reputation or cause other problems in the future. You cannot buy integrity.