Directions: In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No Error" option.

Even though she is less experienced, (A)/ she acts more smarter than (B)/ her senior colleagues. (C)/ Thus, she gets faster promotions at the firm. (D)/ No error. (E)