Which of the Following Statements Best Characterizes a Child with an Intrinsic

Which of the following statements best characterizes a child with an intrinsic orientation to achievement?

A) "I do my work at school so I can get good grades."
B) "I like challenging tasks."
C) "I try hard because it's important to my parents."
D) "I try hard because my dad gives me ten dollars for every 'A' I get on my report card."