单选题I try to avoid _____

问题补充：

单选题Itrytoavoid________onSaturdaysbecausethestoresareusuallycrowdedandIcan’thelp______somethingIdon’treallyneed.A.to go shopping; buyingB.going shopping; to buyC.going shopping; buyingD.to go shoping; to buy

答案：

C