Choose the best sentence that complete from the following suggestion

1. It/ beautiful/ car/ that/ he/ decide/ buy/ once.

A. It was such beautiful car that he decided to buy it once.

B. It was such a beautiful car that he decided to buy once.

C. It was such beautiful car that he decided to buy it at once.

D. It was such a beautiful car that he decided to buy it at once.

2. In/ spite/ terrible headache/ she/ do/ homework.

A. In spite of her terrible headache, she do her homework.

B. In spite her terrible headache, she does her homework.

C. In spite of her terrible headache, she does her homework.

D. In spite of she has terrible headache, she does her homework.

3. Everyone/ tired/ so/ we/ sit/ under/ tree/ have/ rest.

A. Everyone was tired, so we sit down under the tree to have a rest.

B. Everyone was tired, so we sat down under the tree to have rest.

C. Everyone was tired, so we sat down under the tree to have a rest.

D. Everyone were tired, so wer sat down under the tree to have a rest.