Which of the following sentences uses a prepositional phrase as an adjective? Choose all that apply. (L1a) 9 pts Group of answer choices

Doctors say that’s because musicians’ brains are hooked up in a special way.

The effect may be because the music blocked out the noises of the operating room, say doctors.

The College Entrance Examination Board compared students with no music background to student musicians.

Some were trained on piano keyboard and math software.

After six months, the piano players scored higher on math tests.

One group, college students, brought their favorite CDs and listened through headphones.