WaterFlowsUp wrote:
Arteriviruses are a genus of microorganisms that cause digestive and respiratory infections, sometimes benign and sometimes severe, in humans, other mammals, and birds.
(A) Arteriviruses are a genus of microorganisms that cause digestive and respiratory infections, sometimes benign and sometimes severe, in humans, other mammals, and birds.
(B) Arteriviruses are a genus of microorganisms that causes digestive and respiratory infections, sometimes benign and sometimes severe, in humans and other mammals, and in birds.
(C) Arteriviruses are a genus of microorganisms that cause digestive and respiratory infections that are sometimes benign and sometimes severe, in humans, other mammals, and in birds.
(D) Arteriviruses are a genus of microorganisms, which cause digestive and respiratory infections that are sometimes benign and sometimes severe, in humans, other mammals, and birds.
(E) Arteriviruses, a genus of microorganisms, cause digestive and respiratory infections, sometimes benign and sometimes severe, in humans, other mammals, and in birds.
The answer is A
The subject of the sentence is " Arteriviruses " which is plural so we need plural verb
Parallelism should be maintained between in humans, other mammals, and birds
It has to be "in humans and other mammals, and in birds"
or it has to be in humans, in other mammals, and in birds