我就担心丧失机会。不抓呀，看到的机会就丢掉了，时间一晃就过去了。（ ）
A、The only thing I worry about is that we may lose opportunities. If we don't seize them, they will slip through our fingers, time speeds by.
B、The only thing I worry about is that we may lose opportunities. Don't seize them, they will slip through our fingers, because time speeds by.
C、The only thing I worry about is that we may lose opportunities. If we don't seize them, they willl slip through our fingers. Now that time flies fast.
D、The only thing I worry about is that we may lose opportunities. If we don't seize them, they will slip through our fingers as time speeds by.
【正确答案】：D
【题目解析】：if引导的条件状语从句，意为”如果...的话，将会..."; as time speeds by随着时间的流逝
