C339 Three Short and One Long Select Maximum

"Eh …"

Yan Shenglan was so anxious that he scratched his ears and cheeks, feeling his mind go blank. "Wait a minute, let me think!" I've learned this poem before, so I'll definitely recite it. "

As if noticing his distress and anxiety, Yan XIubai raised his eyebrows and said in a considerate manner,

"How about this, in order to save time, I will give you four choices