Select the most appropriate idiom to fill in the blank.
It’s risky to invest all your savings in one company; it’s like _______________.

Correct option is B

Option (b) is the correct meaning of the given idiom.
Idiom: "putting all your eggs in one basket"
Meaning: To risk everything on a single venture.
Example: It's risky to invest all your savings in one company; it’s like putting all your eggs in one basket.