Although your mother had to nag you to clean your room as a child, she always praised your effort when you finished cleaning your room. Her comments likely your intrinsic motivation to maintain a clean and hygienic environment as an adult without being nagged.
A. eliminated
B. decreased
C. increased
D. downgraded

option C

Explanation:

Everyone always wants to be praised for doing a good job. just as my mother has praised me for doing a good cleaning, I would be motivated to always do a good cleaning job in my room because I know my mother will be happy and praise me for it, so it increases motivation to continue it.

it should be d or b but i'm sure it's d

protectionism fosters competition and keeps price regulated is not an argument in favor of protectionism.