He asked me to lend him some money,which I agreed to do,________ that he paid me back the following week.A.on occasion B.on purpose C.on condition D.only if

Question

He asked me to lend him some money,which I agreed to do,________ that he paid me back the following week.
A.on occasion B.on purpose C.on condition D.only if

Answer 1

c
on condition that...：以...为条件