Read the excerpt from The Land.

"I have to finish brushing down these horses first," I said.

Ray Sutcliffe's face took on a look of exasperation. "What? You got a race to tend to, boy!"

"I'm sorry, Mister Sutcliffe, but I told Mister Logan I'd brush these horses down for him, and he taught me a long time ago to do what I say I'm going to do."

What does this dialogue reveal about Paul?

A: He does not always keep his word.
B: He is easily intimidated by Sutcliffe.
C: He enjoys working with Mitchell.
D: He takes his responsibilities seriously.