Heng contracted to hire a Mercedes Benz car from Speedy Car Rentals for use on his wedding day. He paid a deposit of $200. On the morning of his wedding, when he turned up at the Speedy Car Rentals office, he was given the keys to a Toyota car and was told that the Mercedes Benz was in the workshop for repairs. Heng was very upset and refused to take the keys. He also found that he could rent a Mercedes Benz from another company but it would be at a higher price.Required:Advise Heng whether he has the right to terminate the contract and whether he is entitled to claim damages for the higher rental. (10 marks)

手动喷雾器的喷头由旋紧位置逐渐旋松时（）

A.雾滴变粗

B.雾滴变细

C.不变化

D.无明显变化