Math Issue

Decide whether the following statement makes sense (or is clearly true) or does not make sense (or is clearly false). Explain your reasoning.

I wanted to test the effects of vitamin C on colds, so I gave the treatment group vitamin C and gave the control group vitamin D.

Choose the correct answer below.

A. The statement does not make sense. The control group should only receive a placebo, not another treatment.

B. The statement does not make sense. The vitamin C should be given to the control group, not the treatment group.

C. The statement makes sense. The experiment has both a control group and a treatment group.

D.The statement makes sense. The treatment and control groups are receiving different treatments.