Question

Which revision of these sentences uses an adverb clause?

Alex played the saxophone. The cat hid. The cat hissed.

Alex played the saxophone, and the cat hid and hissed.

Alex played the saxophone and scared the cat, who hid and hissed.

Whenever Alex played the saxophone, the cat hid and hissed.

Alex, who played the saxophone, scared the cat, who hid and hissed.

Answer 1

Whenever Alex played the saxophone, the cat hid and hissed.
is the right one i believe.