First, I assume the underlying portion goes from “Just” to “the” right?
I would say C) for parallelism reason and idiomatic Just as…so

Just as an archeologist…so a nautical archeologist

Just like the background in art histry needed by an archaeologist in order to evaluate finds of ancient art, the nautical archeologist needs specialized knowledge of the history and theory of ship design in order to understand shipwrecks.

A. ..

B. Just as an archaelogist who needs a background in art histry to evaluate finds of ancient art, a..

C. Just as an archaelogist needs a background in art history to evaluate find of ancient art, so a

D. Like the archaelogist who evaluates finds of ancient art and requires a background in art history, so the

E. As evaluating finds of ancient art requires an archaelogist who has a background in art history, so the

A is clearly wrong since it compares a background in art history to a nautical archeologist
B The use of the word "who" in the choice is wrong
E is wrong since it is round about and confusing
D is also wrong

C sounds the best; it uses the correct idiom just as...so

Will go with C.

What is the OA for this one?

Thanks.