Discussion

Explanation:

Implication here refers to consequence.  People may deal with a particular option without really assessing its disadvantages (option 2) or utility (option 3) or implications (option 1) or alternatives (option 4). Where usage is concerned, all of the options make sense in different ways. But the sentence continues and states, “when they do assess alternatives”. Therefore, the word here is ‘alternatives’.
Hence, the correct answer is option 4.

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