Mark the letter A, B, C and D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Question 1: A. giant B. target C. figure D. garbage
Question 2: A. itchy B. stomach C. charity D. match
Question 3: A. shop B. bone C. coffee D. hot
Question 4: A. looked B. watched C. collected D. laughed