A multiple choice examination has 5 questions. Each question has three alternative answers of which exactly one is correct. The probability that a student will get 4 or more correct answers just by guessing is

Question

( A ) $\frac{13}{3^5}$
( B ) $\frac{10}{3^5}$
( C ) $\frac{11}{3^5}$
( D ) $\frac{17}{3^5}$