Can you guys me out : ( i’m literally on the unit test

Which does not contain a run-on sentence? a. in the late autumn, my grandmother cooks an amazing pie she uses acorn squash and fresh honey. b. in the late autumn, my grandmother cooks an amazing pie she uses, acorn squash and fresh honey. c. in the late autumn, my grandmother cooks she makes an amazing pie with acorn squash and fresh honey. d. in the late autumn, my grandmother cooks an amazing pie with acorn squash and fresh honey.