12.Based on this paragraph, select the sentence that shows the characteristic that Hadley's genes were responsible for. Ruby is going into first grade. She knows her letters and can read books by herself. She knows her numbers and how to tell time on a clock. Ruby has bright-red hair so her mother can easily find her on the playground after school. She enjoys music and can play the piano during music class. Ruby and her mother think she will enjoy first grade very much.
A. She knows her letter and can read books by herself.
B. Ruby and her mother think she will enjoy first grade very much.
C. Ruby is going into first grade.
D. Ruby has bright-red hair so her mother can easily find her on the playground after school.