Respuesta :
The possessive adjective which correctly completes this sentence is mi and is denoted as option A.
What is Possessive adjective?
These are words which modify a noun and also depicts ownership in a sentence.
The example given means Ella is my sister in which my is the most appropriate possessive adjective to complete the sentence.
Read more about Possessive adjective here https://brainly.com/question/12224225
#SPJ2