I need help plz

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?

Arm circles are often effective dynamic stretches for swimmers because they

Select the correct answer. which is the safest and most effective way to get a deeper stretch? a. massage the muscles being stretched b. inhale and push the stretch until it hurts c. lean into the stretch as you exhale d. place ice on your muscles before stretching