阅读下面短文，从短文后各题所给的A、Be C和D四个选项中，选出可以填入空白处的最佳选项。
As a businesswoman, I care deeply about my customers. But like anyone for whom you feel affection , 41 can also drive you mad. They'll come rushing in, 42 their handbag's been stolen. They'll 43 that they left it in the changing room, create havoc(混乱) and then 44 it had been in their car all the time. They'll have out half the 45 in the shop, and want the only style you don't have left in a 46 colour. I do know how upset the shop staff can get, but I try to persuade them to keep 47 .
I remember the first really 48 customer we had at Covent Garden. She was 49 absolutely everything, nothing was right and I was rather 50 that she became a "regular". After a while, she 51 for the way she behaved at the beginning. She had split up with her husband the week before, was living in a flat 52 and since she'd found it too much to cope with (应对), she'd taken it out on 53 people.
That taught me a valuable 54 and I pass it on to the people who 55 in the market. Don't take it 56 . If a customer is rude or difficult, just think “Maybe she's had a row with her husband. Maybe her child's not 57 .” Always water it down and don't let your ego (自我)get 58 . If you do, you won't be able to 59 it and the whole thing develops into an unpleasant scene and that 60 everyone's day.