B. Enzymes decrease the activation energy of the reaction :)
Explanation:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
If you think about a diabetic, when the blood sugar levels, also known as glucose levels, drop. The body will need Insulin to correct it so the answer will be “insulin”