Choose the underlined part in each sentence (A, B, C, or D ) that needs correcting

C. Choose the underlined part in each sentence (A, B,C, or D ) that needs correcting.
1. The police arrested the man while he is having dinner in a restaurant.
2. Peter and Wendy first met in 2006, and they are married for three years now.
3. At the present, some people are believing there is life on other planets.
4. Recently, the island of Hawaii had been the subject of intensive research on the occurrence of earthquakes.
5. Every morning, the sun shines in my bedroom window and waking me up.
6. The man died as a result of falling asleep while he drives.
7. I haven’t finished the report yet, but by the time you return I will certainly complete it.
8. Caroline has worn her new yellow dress only once since she buys it.
9. We’ll be cycled to Hoa’s village at this time next Sunday.
10. What will you do when your friends won’t come ?
11. Someone was knocking at the door when I was doing the washing up.
12. My friend didn’t drink any beer since we came to live here.
13. We have written to each other when we were in primary school.
14. After breakfast, I had gone to walk to school with my friends.
15. Will we go to the pop concert this weekend for a change?