Which sentence uses commas correctly? a. you should, nevertheless save some time for volunteering. b. by the way supper will be at, 6: 30 tonight. c. a hot grilled cheese sandwich, in melissa's opinion, is the best food in the world. d. his speech to the staff members on the other hand, was difficult to understand.

i think the correct answer would be adjustments in life roles.  this causes for one to adjust or change totally his/her career or lifestyle since the present is not beneficial to the life role he is at. for instance, you became a mother you would of course stop going to malls and enjoying life outside. you would be staying at home taking care of your child.

the answer is c. it calls attention to the urgency of the message