Question

Which sentence contains an allusion?
Her grandmother was good at sewing.
How many magicians performed at the talent show?
I wonder where the cat ran off to.
Jack was a good pitcher, but his batting was his Achilles heel.

Answer 1

“Jack was a good pitcher, but his batting was Achilles heel” is correct because it is alluding to Achilles heel

Answer 2

“Jack was a good pitcher” that one