表达好奇与提问的句型 — 英语选择题

太空展上，Mia 想知道望远镜怎样帮助人们观察遥远的星球。哪句话能正确表达她的好奇并提出问题？A. I wonder how does a telescope help people see faraway planets. B. I wonder how a telescope helps people see faraway planets. C. I wonder how a telescope help people see faraway planets. D. I wonder how do a telescope help people see faraway planets.