Question

what was Cao' s first reaction when he was pulled out pf rubble by rescue workers?

Answer 1

When Cao was pulled out of the rubble his first reaction was to cover his eyes against the beams of the sun as he was seeing light after a prolonged period of darkness.

EXPLANATION:  

Cao Jianping had spent 72 hours underground buried in rubble that had accumulated with the devastating earthquake. It was pitch dark and frightening. Next to him lay two corpses, but he did not give up hope.

So, when rescuers reached up to him and cleared the debris, his first reaction was to cover his eyes that had got accustomed to the darkness. After that he started waving joyfully at the bystanders to tell them he was alive.

Answer 2

Answer:

☝upper one is right, but explanation is too large