What is the BEST way to revise sentence 23 to add variety to sentence beginnings? a. The men worked in three shifts, around the clock, and because work never stopped, the job was completed on time. b. Because work never stopped on the dam—the men worked in three shifts, around the clock—the job was completed on time. c. The job was completed on time because work never stopped—the men worked in three shifts, around the clock. d. The men completed the job on time by working in three shifts, around the clock, so work never stopped.