Choose the word or phrase that is equivalent in meaning to the given phrase:
Eat out of somebody's hand
The idiom "eat out of somebody's hand" comes from the image of a tame animal feeding gently from a person's palm. Applied to people, it means to be so trusting of or won over by someone that you readily do whatever they want, that is, to be submissive and obedient to them.
So the meaning is to trust somebody and be willing to obey, option d.
If the price of a commodity increases by 25%, by what percentage should the consumption be reduced to keep the expenditure the same?