They were used around 3400 B.C.
I haven't read this in a while, but I'm pretty sure it's C.
Answer:
Bro please help me with my question... And i will try my best to help you
In fact, they apply only to personal pronouns, possessive pronouns, and reflexive pronouns. It is only in these types, too, that gender differences are shown (personal he/she, possessive his/hers, reflexive himself/herself). ... Many of the pronouns listed above also belong to another word class - the class of determiners.
Pronouns @ The Internet Grammar of English - UCL