The primary components of the extracellular fluid are: A. Lymph and cerebrospinal fluid
B. Plasma and serous fluids
C. Interstitial fluid and plasma
D. All of the above

Option C.

Interstitial fluid and plasma.

Explanation:

Interstitial fluid and plasma are the major components of extracellular fluid because extracellular fluid are fluid that are located or found outside the bodily cell of an organisms. The are sealed in blood vessels and in the body the insterstitial fluid and plasma( the liquid part of the body) is found outside the body cells, there fore they are the major components of extracellular fluid.

i think its the first one