【单选题】
It is()that he has to ask for help.
A、so a big job
B、a so big job
C、a such big job
D、such a big job
A、so a big job
B、a so big job
C、a such big job
D、such a big job
A、that he has his engines in reverse B、that he is shortening the distance between vessels C、to shorten the distance between vessels D、that his vessel is healthy