Plants need water and sunlight to grow well. a healthy body requires a balanced diet.A.

问题补充：

Plants need water and sunlight to grow well. , a healthy body requires a balanced diet.

A. Formally

B. Generally

C. Similarly

D. Scientifically

答案：

A. Formally

B. Generally

(答案→)C. Similarly

D. Scientifically

解析：考查副词辨析：A. Formally正式地，B. Generally一般地，C. Similarly相似的，D. Scientifically科学地，句意是：植物需要水和阳光才长得好，同样，健康的身体需要均衡的饮食。选C。