Final answer:
Moderate exercise is generally beneficial during pregnancy.
Step-by-step explanation:
The MOST important response by the nurse should be C. Moderate exercise is generally beneficial during pregnancy. It is important for pregnant women to engage in regular physical activity, as it can provide numerous benefits, including improved mood, reduced pregnancy discomfort, and enhanced stamina for labor and delivery. However, strenuous exercises should be avoided, as they can increase the risk of complications and injuries. It is always important for the pregnant woman to consult with her healthcare provider to determine the appropriate level of exercise for her individual situation.