Question

Rewrite this sentence so that it begins with a prepositional phrase.

The members of the orchestra tuned their instruments.

Having found their seats, the members of the orchestra began to tune their instruments.
On the stage, the members of the orchestra began to tune their instruments.
Softly, the members of the orchestra tuned their instruments.
The instruments were tuned by the members of the orchestra

Answer 1

I think it is B

Answer 2

Yeah @saucvi is correct.