I think it is called sentence subject. Sorry if I am wrong.
The answer would be D, you are correct
Hello.
The answer is: Number
The pronoun must agree with its antecedent in number. Rule: A singular pronoun must replace a singularnoun; a plural pronoun must replace a plural noun. A pronoun should agree with its antecedent in person, number, and gender. Person refers to the quality of being, number distinguishes between singular and plural.
Have a nice day
Smart, they fight for the right to learn as girls , want equality and capable of doing a lot
The meaning conveyed by the morpheme chron- in each of the words listed: chronology, chronicle. chronic and chronogram means, TIME. The word "chron-" comes from the Greek word "khronos" meaning time. Chronology means the arrangement of dates of events in order. Chronicle means a record of a series of events. Chronic means persistent and chronogram means time writing.