―I lost the chance to take part in this year’s summer camp. ―!A. What a pityB. Good luckC.

问题补充：

―I lost the chance to take part in this year’s summer camp.

―!

A. What a pity

B. Good luck

C. Take it easy

D. Don’t worry

答案：

(答案→)A. What a pity

B. Good luck

C. Take it easy

D. Don’t worry

解析：What a pity太可惜了；Good luck祝你好运；Take it easy放松点；Don’t worry不要担心。根据上文，我失去了参加今年的夏令营的机会。结合语境可知选A。