Which of the Following Statements Is True Regarding the Temperature $\circ$

Which of the following statements is true regarding the temperature range of water (26 ^$\circ$ -33 ^$\circ$ C) recommended for aquatic exercise?

A) Perform cardiovascular exercise at the low end of this range.
B) Patients with multiple sclerosis should exercise in temperatures at the high end of this range.
C) Perform intense aerobic exercise at the high end of this range.
D) If a patient has an acute,painful injury,perform exercise at the low end of this range.