Grammar question

1) ________ Tina injured her leg, she is still playing baseball.

(A) But
(B) Yet
(C) Despite
(D) Although

I think it's C.

2) If the manager ________ time to meet with you today, he'll leave a message on your voicemail.

(A) has
(B) will have
(C) have
(D) had

I think it's A.

3) I'm not busy, so I ________ finish the report in an hour.

(A) have
(B) ought
(C) am
(D) can

I think it's D.

4) As a result of heavy traffic, his flight left by the time he got to the airport.

(A) As a result of
(B) heavy
(C) left
(D) got

I think its D.

5) During I've known him, he's always been kind and generous.

(A) During
(B) I've
(C) always
(D) been

I think its A.

Please confirm all the answer. if anything wrong, please let me know the right answer.