Answer the following questions by choosing the most appropriate option.

Which of the transformations of the sentence Rajdhani Express is the fastest train is correctly changed into positive sentence?

A. There is no other train as fast as Rajdhani Express.

B. No other train is as fast as Rajdhani Express.

C. Both (a) and (b)

D. None of these.

Please do not use chat terms. Example: avoid using "grt" instead of "great".