jim441
Ambiguity is basically a matter of meaning. As long as the intended meaning is clear, the pronoun is not ambiguous. If you're given a choice between a pronoun and an actual noun, then the noun is safer, all else being equal. However, the GMAT won't always give you that choice, and there are plenty of valid answers in which a pronoun has multiple *potential* antecedents, but only one that is logical.
In this case, we do have a "fix" for "they" in the correct answer,
...
Ambiguity is basically a matter of meaning. As long as the intended meaning is clear, the pronoun is not ambiguous. If you're given a choice between a pronoun and an actual noun, then the noun is safer, all else being equal. However, the GMAT won't always give you that choice, and there are plenty of valid answers in which a pronoun has multiple *potential* antecedents, but only one that is logical.
In this case, we do have a "fix" for "they" in the correct answer,
...
