Correct option is B
The most appropriate collocation to substitute the highlighted word in the given sentence is (b) make a right choice.
The verb "make" is commonly used with the noun "choice" to indicate the act of selecting or deciding between options.
The phrase "make a choice" means to choose or decide something after considering all the options available.
Therefore, the correct sentence should be: "The intern should make a right choice in choosing the right job for her."