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.

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.

c.

Please select the best answer from the choices provided

The rich natural resources made the sacramento valley a "garden of eden." permanent villages were established about 8,000 years ago.which choice combines these two sentences from paragraph two to achieve a coherent flow of ideas? a) the rich natural resources made the sacramento valley a "garden of eden" and permanent villages were established about 8,000 years ago. b) permanent villages were established about 8,000 years ago and the rich natural resources made the sacramento valley a "garden of eden." c) the rich natural resources made the sacramento valley a "garden of eden; " and so the permanent villages were established about 8,000 years ago. d) because of the rich natural resources which made the sacramento valley a ‘garden of eden,’ native americans established permanent villages there 8,000 years ago.