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

Bunburyist?
(1 point)
Algernon finds a handkerchief embroidered “Jack Worthing” in his friend’s jacket pocket.
Gwendolen tells him that his name is really Jack.
He overhears him call himself Jack to a friend.
He sees an inscription on a cigarette case.

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