Answer:
D
Explanation:
Complete abstinence would mean no chance of pregnancy with only 1 exception in the entire history of mankind. No chance of C.
Complete abstinence should eliminate B.
I don't believe A to be true. Sometimes it is, most time not. I wouldn't choose A.
I think you are stuck with D
Dynamic stretches are part of an effective warm-up because they can help build endurance for the activity. They also help in flexibility and range of motion in the human body.