_______ I DIDN’T KNOW HOW TO DO THE JOB. BUT NOW I AM MAKING PROGR...

42. - DE THI THU DAI HOC MON ANH VA DAP AN 4
DE THI THU DAI HOC MON ANH VA DAP AN 4

42. _______ I didn’t know how to do the job. But now I am making progress.

A. First B. First of all C. At the first. D. At first