Choose A, B, C or D to indicate the sentence that is similar in meaning to the one given.
I am not certain, but there may be about twenty applicants for the job.
A. I am not sure if there are about twenty applicants for the job.
B. At a guess, there are about twenty applicants for the job
C. I guess that there are twenty applicants for the job
D. Twenty people are guessed to have applied for the job
Đáp án B.