I was disappointed to spot the seller in the deal and decided to deal with another one.
A. to cheat
B. cheating
C. cheat
D. cheated
网友回答
A. to cheat
(答案→)B. cheating
C. cheat
D. cheated
解析： 考查非谓语。the seller 与cheat 之间是主动关系，所以使用现在分词。句意：我很失望发现这位卖家在交易中骗人，决定和另一家进行交易。所以选B。