For the Reaction: a → Products Concentration-Time Data Are: [A]t

For the reaction: A → Products concentration-time data are: [A]t 0.2000 0.1486 0.1182 0.0981 0.0839 M
T 0 1 2 3 4 h
[A]t 0.0733 0.0650 0.0584 0.0531 0.0486 M
T 5 6 7 8 9 h
What is the order of this reaction with respect to [A]?

A) zero
B) first
C) second
D) third
E) none of these