Question

Identify the sentence that correctly uses singular and plural nouns.   A. We have an infestation of mouses.

Answer 1

B. Because women and children are given priority when evacuating a sinking ship, sometimes families are slip apart during the crisis.

In the rest of the sentences, some of the nouns are incorrect. In answer A, "mouses" should be "mice". In answer C, "alumnus" should be "alumni", "college's" should be "colleges' ", and "librarys" should be "libraries". In answer D, "deers" should be "deer". 

Answer 2

Answer:

B. Because women and children are given priority when evacuating a sinking​ ship, sometimes families are split apart during the crisis.

Explanation:

In sentence A), the plural of mouse is wrong. It should be mice.

In sentence B), the sentence is correct grammatically. The plural of woman is women and families (family) is also the right plural noun.

In sentence C),  the plural of library is wrong. It should be "libraries".

In sentence D), the plural of deer is deer, not deers. The singular and plural are the same.