Which introductory sentence best engages and orients the reader by introducing the narrator? A. The boy dashed to the back door when he heard the truck's tires on the gravel driveway.

B. Wind whipped up the sand into miniature tornadoes as vacationers scrambled to their rooms.

C. My friends always tell me that I'll grow up to be a millionaire, but I'm a little less convinced.

D. Mr. Baker checked the door handle to make sure it was locked, and then he checked again.