In the given question, a word has been given and there are three ways in which the word has been used, in similar or different forms. You need to see which of the sentences have correctly used the highlighted word, and mark that as your answer. Call at
A. He decided to call at the store to pick up a few groceries before heading home.
B. The tour bus will call at various historical sites throughout the city.
C. The smoke detectors will automatically call at if they detect any signs of fire.