posted by tony .
14. When one buys insurance, you need to be clear about your needs.
__ Pronoun shift in number
__ Pronoun shift in person
__ Ambiguous reference
__ No error
You shifted from "one" to "you" . I would call that ambiguous
Yes, it's ambiguous, but the error is the second one. The pronoun "one" is 3rd person, but the pronoun "you" is 2nd person.
Scroll down to Pronoun Reference.