A Student Makes the Statement to a Colleague, "Blood Plasma

A student makes the statement to a colleague, "Blood plasma is essentially just a carrier for the formed elements like red blood cells and white blood cells." What would be the most accurate response to this statement?

A) "That's not really true. Plasma is crucial in the immune and inflammatory responses."
B) "Actually, plasma plays a significant role in nutrient and waste transport."
C) "Not really. Plasma also contributes to the processes of protein synthesis and hematopoiesis."
D) "Actually, plasma is integral to the proper function of the liver and maintenance of acid-base balance."