—Which ball is ，the yellow one or the red one?
—The yellow one．
A：big
B：bigger
C：biggest
—Are you going to buy a new camera?—Yes. But there are so many cameras that I can't decide______________.
某校开展“我的情绪我做主”的主题活动。同学们积极回答情景题：“在你心情不好时，可以选择自己感兴趣的事情做”。这种调节情绪的方法是（ ）
