Select the option in which the words share the same relationship as that shared by the given pair of words.
drum : beat :: ?

Option A: Correct.

Understanding the relationship between the words in the question is the key here.

Drum: Beat means - a drum which is an instrument is beaten (an action) to generate sound/ effect, that's how a drum functions.

Similarly among the options, Trumpet: blow means - a trumpet which is an instrument is blown (an action) to generate sound/ effect, that's how a trumpet functions.

The other options rightly place the instruments but they are not followed by actions that generate sound from them, but, rather, the objects or body parts used to play them, hence they are incorrect.