I think the answer would be the 3rd one
1/2 is bigger than 1/3, I included an attachment with the answer so that it can help you.
I'd say A myself, but I'm not 100% sure, hope I helped.
Answer:
1.we began to exercise more, and started dieting plus getting regular checkups
2. my favorite summer activities are vacationing with my family, go on picnics, and participate in sports
3. we made many new friends at the concert, also attracted a lot of publicity, which earned it a lot.
Explanation: