Don't worry.I'll finish it____.a.in a secondb.for a secondc.by secondsd.for a few seconds拜托告诉我各选项的含义及用法!

Don't worry.I'll finish it____.a.in a secondb.for a secondc.by secondsd.for a few seconds拜托告诉我各选项的含义及用法!
Don't worry.I'll finish it____.
a.in a second
b.for a second
c.by seconds
d.for a few seconds
拜托告诉我各选项的含义及用法!

Don't worry.I'll finish it____.a.in a secondb.for a secondc.by secondsd.for a few seconds拜托告诉我各选项的含义及用法!
选A
不要着急,我马上就可以完成了.
a.in a second ：立刻
b.for a second ：持续了一会
c.by seconds ：没有这样的搭配
d.for a few seconds 持续了一小会,跟B意思相近

呵呵 应该选A 吧 意思是“过一会” 其他选项 没见过

in a second
固定搭配，记住吧

Of course the answer is A.
in a second意思是很快，马上。其他的没看到过，也没查到。