已知⊙O₁的半径为3cm，⊙O₂的半径为5cm，圆心距O₁O₂为2cm，则⊙O₁和⊙O₂的位置关系是  （   ）

A．相交

B．外离

C．外切

D．内切

35. –He eventually realized his own fault and wanted to reform.      --_______. 

A．It’s no use pumping a dry well

B．It never rains but it pours

C．Better safe than sorry

D．Never too late to mend