Directions: Read the sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentence. The number of that part is the answer. If there is no error, the answer is (5). Ignore errors of punctuation, if any.

She is a senior than me in both age and experience in this field of acting. /(A) So whenever I face any difficulty or any doubts regarding anything /(B) with our industry, she is my go-to person. Moreover, she is very polite /(C) and approachable even after achieving super-stardom. /(D)