According to paragraph 2, what is the main purpose of gains (global avian influenza network for surveillance)?

which one is underlined?

answer :

the idiom "pride goes before a fall" means that being too proud causes one to make mistakes that eventually lead to failure or downfall.

in the stranger's story in the "the storyteller," bertha had won three medals for obedience, punctuality and good manners. she was really proud of her medals and pinned them to her dress and wore them everywhere she went so that everyone would know how good she was. in the end, these symbols of her excessive pride cost her her life. when she was hiding from the wolf in the bushes, it was the clinking of her medals that alerted his attention towards her presence and lead to her death.

its c. =after singing all morning, the choir members were exhausted. answer