From the given sentence, form a feminine noun from the masculine one by placing a word before or after:
The boy stood and stared at his grandfather with teary eyes. [Basic]The answer to the given sentence is Option A, Grandmother.
As per the question, the sentence would have the male gender noun to be replaced by the feminine noun, by adding a word before or after that. The sentence mentioned has the male gender noun, ‘grandfather’, meaning the person belonging to the generation before one’s father. The exact feminine counterpart for the word, with the same meaning is option A, grandmother.
Option B is an effective counterpart for Granduncle, while Option C, grandsister isn’t a word which actually exists, making Option A, Grandmother the correct answer.