which answer contains proper in-text mla citation?

frances hodgson burnett was described as "a stubborn, obstinate child" 3.

frances hodgson burnett was described as "a stubborn, obstinate child."

frances hodgson burnett was described as "a stubborn, obstinate child" (robertson 9).

frances hodgson burnett was described as "a stubborn, obstinate child" (9).

Frances Hodgson Burnett was described as " a stubborn, obstinate child" (Robertson 9)

Explanation:

When the author of the work cited is mentioned in the text, it is no longer needed to cite the author (usually the last name) within parentheses as in the last option

(Sorry this was very late!!!)

Idont get it at all sorry

The issue of racism greatly inflience herbecause by then there was racio discrimination in the south this affects her such that she will grow up favouring people of her race and undermining the othersracism will build herin earlier days the people of south were oppressed by the whites since they were considered slaves or subject yo the whites.so as a result of this the whites children grew up bearing in mind that they were more superpower than the black