What two things can keep us healthy?

A. Radio Button A balanced diet and watching TV
B. Radio Button A diet high in sweets and going swimming
C. Radio Button Eating lots of fruit and vegetables and playing computer games
D. Radio Button A balanced diet and exercise

The correct answer is D. A balanced diet and exercise. To determine the correct answer, we need to assess each option individually and identify the ones that promote health.

Option A suggests a balanced diet and watching TV. While a balanced diet is generally good for our health, watching TV does not contribute to our overall well-being. Therefore, option A is incorrect.

Option B suggests a diet high in sweets and going swimming. A diet high in sweets is not healthy as it can lead to various health issues, such as obesity and dental problems. On the other hand, going swimming can be a form of exercise, which is beneficial for our health. However, the negative impact of a high-sugar diet outweighs the benefits of swimming. Therefore, option B is incorrect.

Option C suggests eating lots of fruit and vegetables and playing computer games. Eating lots of fruit and vegetables is indeed a healthy choice, as they provide essential nutrients for our body. On the other hand, playing computer games is a sedentary activity that does not contribute to our physical health. Therefore, option C is incorrect.

Option D suggests a balanced diet and exercise. A balanced diet ensures that we receive all the necessary nutrients for our body's optimal function, while exercise helps maintain cardiovascular health, build strength, and improve overall well-being. This option correctly identifies the two aspects that can keep us healthy. Therefore, option D is the correct answer.

To summarize, the two things that can keep us healthy are maintaining a balanced diet and engaging in regular exercise.