Marlowe's greatest achievement lies in that he perfected the（）an

Marlowe's greatest achievement lies in that he perfected the（）and made it the principal medium of English drama.
A、science fiction
B、sonnets
C、heroic couplet
D、blank verse
【正确答案】：D
【题目解析】：马洛最大的成就在于他完善了无韵诗，使其成为英国戏剧的主要媒介。