A：冰川
B：地震
C：风成说
D：火山灰堆积
下列选项中能正确表示苍蝇完全变态发育过程的是 （ ）
--- ______, or we'll be late for the meeting.
--- It's only half past one by my watch. We have enough time left.
—It's a hard choice. Both of the players are excellent.
