This one: "Lee noticed a problem and alerts a teacher".
The second verb should not have been changed to present tense.
You should change the verb alert to past tense: "Lee noticed a problem and alerted a teacher".
I’m presuming the last one is supposed to be bias, but that’s the one that has a negative connotation to it.
By that reference to Claudius, Hamlet means that he and Claudius are relatives but not similar to each other. The correct answer is B.