The Indus River is Pakistan’s primary water source.
It will probably be A or C
The correct answer is A: Behaving according to one's parents wishes.
<em>Behaving according to ones parents wishes</em> is an good <em>example</em> of filial piety this is according to the Chinese tradition on filial piety (<em>hsiao</em>) which is the primary duty of all Chinese. Being a filial son for <em>example</em> meant complete obedience of one's parents during their lifetime, and as they grow older one was expected to take the best possible care of them.
Its the first and third but not the second or last one