与房屋相连有上盖无柱的走廊、檐廊，按其围护结构外围水平投影面积的（）计算
A.一半面积
B.全面积
C.不计面积
D.根据情况
参考答案：A
Mrs. Brown was much disappointed to see the washing machine she had had _______ went wrong again.
A．it
B．it repaired
C．repaired
D．to be repaired
