9. In the following questions, a part of the sentence is highlighted which is then followed by three expressions which may or may not replace the existing highlighted part. Choose the best alternative among the five options which does not derive the grammatically correct expression or does not fit into the sentence contextually.
Having acquired some experience, she is no longer one of those who believe every
(I) she does not believe every explanation easily.
(II) she is not one of those who believes any explanation anymore.
(III) some people believe every explanation but this is not the case now for her.