Choose the underlined word or phrase(A, B, C or D) that needs correcting

Bài 1:Choose the underlined word or phrase(A,B,C or D) that needs correcting
1.I look forward(A) to have(B) the resolution to(C) the problem I have Mentioned(D)
2.I had to drive(A) to the(B) factory to pick up(C) my brother,who's(D) car wouldn't start.
3.Although(A) his leg was broken,However(B),he managed to get(C) out of the(D) car