In The Importance of Being Earnest, what leads Algernon to suspect that Ernest/Jack is a Bunburyist?

Question

(1 point)
Responses

Algernon finds a handkerchief embroidered “Jack Worthing” in his friend’s jacket pocket.
Algernon finds a handkerchief embroidered “Jack Worthing” in his friend’s jacket pocket.

Gwendolen tells him that his name is really Jack.
Gwendolen tells him that his name is really Jack.

He overhears him call himself Jack to a friend.
He overhears him call himself Jack to a friend.

He sees an inscription on a cigarette case.

Answer 1

He sees an inscription on a cigarette case.