D because it combines the sentences correctly. I think, I'm puzzled between d and a but I really do think its d. :) Hope this helps!
Answer:
it may not be true volunteering because you're being forced to but you are still volunteering to help others
Explanation:
I I think it is good that teenagers are required to do community service because it helps our planet and others even if they think it is dumb.
Answer:
working like the men did before because women had only done housework until WW2
Answer:
D: some people are questioning whether to keep testing students
