I would say B). Hope this helps!
The answer should be <span>single quotation marks</span>
Anaerobic respiration<span> in muscles. Glucose is not completely broken down, so much less energy is released than during </span>aerobic respiration<span>. There is a build-up of lactic acid in the muscles during vigorous exercise. The lactic acid needs to be oxidised to carbon dioxide and water later. Hope this helps!</span>
X, answer is X, good luck now, pls answer my question pls pls.