In this section two sentences are given and you are required to find the correct sentence which combines both the sentences. Choose the correct response (a), (b), (c) or (d) and indicate on the Answer Sheet accordingly.
Which is the correct combination of the given two sentences?
The teacher entered the classroom. All the students stopped talking.

Options

A. A. No sooner did the teacher enter the classroom than all the students stopped talking.
B. B. As soon as the teacher entered the classroom all students were asked to stop talking.
C. C. All students stopped talking as the teacher enters the classroom.
D. D. No sooner did the students stop talking than the teacher entered the classroom.