Which of the Following Statements Regarding Exercise Frequency Is True

Which of the following statements regarding exercise frequency is true?

A) Your ultimate goal should be to exercise 5 times per week.
B) You should perform the same exercise, even though it is monotonous, every day of the week.
C) If you exercise less than 5 times per week, you will not achieve any benefits.
D) If you have been inactive for a while, the frequency of your aerobic exercise should begin at two times per week.