Alfred Is Entering His Second Semester of His Freshman Year

Alfred is entering his second semester of his freshman year. He's made several New Year's resolutions to improve his grades: 1) No parties or alcohol during the week and no more than 3 drinks in a day on the weekend. 2) Spend at least 2 hours per day at the library. 3) Exercise at least 45 minutes a day. 4) Meatless Mondays, no fried foods, and no soda. 5) Switch from 3 meals a day to 5 smaller meals per day. 6) See the positive in every situation and if there's nothing nice to say, don't say it. What might be Alfred's biggest challenge in achieving his goals?

A) They are written in a negative way rather than a positive way.
B) Alfred's goals are not specific enough.
C) Alfred is trying to change many habits all at once.
D) Alfred may not have time to exercise and go to the library every day.