This is the factory where we visited last week.

This is the factory where we visited last week. Is this the factory _____ we visited last week? Is this factory _______ we visited last week?A.whichB.where Is this factory( )you visited last week?A.that B.where C.the This factory is ______ the one we visited last week.正确答案是the is this factory that we visited last week,为什么在that 前加the one Is this factory (the one)I visited last week . Is this factory ______you visited last week? Is this factory () you visited last week?A that B where C th Is this factory ______you visited last week?A that B where C 定语从句(1)Is this factory _______ we visited last week?(2)Is th ① Is this the factory ______ you visited last week① Is this