I'd go with A because it makes sense to me.
Answer:
Minh Nam and I love an experiment spending a hours to do in Laboratory
They are part of the Clauses thingy
<span>The word 'fish' is correct as both the singular AND the plural -- but ONLY IF you're describing two or more fish of the SAME species.
Use the word 'fishes' ONLY to refer or describe the plural of DIFFERENT species of fish (more than one species of fish). </span>
