Answer:
I think the answer is B I am sure
The food(carbohydrate) eaten is what fuelled Ben’s activities.
<h3>What is Carbohydrate?</h3>
This is the class of food which consists of the elements carbon, hydrogen and oxygen. They help provide energy to the body when broken down by enzymes.
Ben was known to eat Pancakes which when digested provided him with energy which was then used to fuel the activities he did.
Read more about Carbohydrates here brainly.com/question/20290845
T-cells
lymphocytes
b-cells