The correct answer is letter a. The body takes a lot of time and energy for our body to break down more complex foods, while simple foods are broken down more quickly and easily absorbed by the body. Complex foods contain more ingredients and more nutrients that are hard to be broken down, not like simple foods, such as candy or sugar that can be easily broken down by the body because of its simple structure.
Answer: Carbohydrates
Explanation: Because it will be absorbed into this form of a blood stream known as carbohydrates
Personally, I would choose D. You should always make a good first impression of someone.