Question

Identify the infinitive in the sentence: Since Luke is taking up jogging, he asked to go to the store so he could purchase running shoes.
A) to go

B) running

C) jogging

D) could purchase

Answer 1

infinitives usually start with the word "to" so,
I'm pretty sure is A. To Go

Answer 2

joycat is correct.  It is A.  to go