The correct answer is change.
Convert
A. set up
B. roll up
C. find guilty
D. change
The correct answer is (D) To change (to something having different form or properties, etc.); to transform; to transmute; to turn (to something else); to bring to (something different).
Convert comes from Latin convertere (to turn about).
Examples of use:
- The apartments were converted to condominiums.
- He wishes to convert his automobile lease to something less expensive.