I'm interested in animals,so I ___every Saturday working in an animal hospital.A.pay B.get C.take D.spend

I'm interested in animals,so I ___every Saturday working in an animal hospital.
A.pay B.get C.take D.spend

d花费

D spend...in(in) doing sth 花费时间做某事

D
spend some time doing sth
做某事花费多少时间

d 花费时间

D spend time/money (in) doing
spend time/money on sth
pay money for
It takes sb some time to do sth