Which part of the following sentence contains a gerund?

Keeping track of all her grandkids' sporting activities was driving Ms. Smith to tears.

(1 point)
Responses

to tears
to tears

Keeping track
Keeping track

sporting activities
sporting activities

her grandkids'

sporting

are you sure

I apologize for the error in my previous response. The gerund in the sentence is "Keeping," which is part of the phrase "Keeping track." Thank you for bringing this to my attention.