Replace the italicized word with the adjective that best fits the context of the sentence.

The cat made a nice sound.

shrieking

purring

hissing

crashing

According to the context, the word "nice" should be replaced by the adjective "purring" since it is related to the sound that cats make.

Purring is a continous and soft sound associated to cats.

Shrieking is a high-pitched sound and has no link to cats' sounds.

Hissing is a sibilant sound

And crashing is a loud noise when things crash or fall

The answer is: purring