My uncle____one hundred and fifteen yuan on this kind of shirt.

C.spent
固定搭配spend……on
你记错了吧，pay spend的主语都是人呀
spend
[spend]
vt.
(spent [spent])
用(钱), 花费

spend money on books
花钱买书
spend all one's energies
竭尽全力
spend a lot of care on sth. [in doing sth.]
在某事上[做某事时]费很多心血
spend one's blood and life for the cause of communism
献身于共产主义事业
He doesn't spend much time on his homework .
他花在作业上的时间不多