Harold Is a College Sophomore Who Is Trying to Get

Harold is a college sophomore who is trying to get in shape for spring break.He would like to lose the body weight he has gained during his freshman and sophomore years.In high school,he played sports and his family prepared healthy meals,but his freshman and sophomore years have proven to be very different with late nights of school work,hanging out with friends playing poker,and eating lots of take-out food,snacking on pizza,and drinking soda.Harold,who is 5' 10",has gained 18 pounds and now weighs 182 pounds.
Harold has never tried to lose weight before and decides to talk to a personal trainer at the gym to get help.During Harold's consultation,the personal trainer calculates his BMI,determines his ideal body weight,and measures his body fat content using skinfold calipers.The personal trainer tells Harold his body composition is 26% fat.The personal trainer also measures Harold's waist,and his waist circumference is a little over 40".
-In addition to exercise,which behavior would most likely help Harold get in shape for spring break?​

A) ​Cut out all carbohydrates,including regular soda,bread,pasta,and fruit
B) Start drinking protein shakes instead of eating pizza with his friends
C) Skip breakfast and lunch and have a sensible dinner
D) Decrease portion sizes at home and in restaurants and regularly include vegetables or fruit at meals
E) ​Adopt a vegetarian style diet