阅读下面短文．从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。
When my brother and l were growing up, we mowed(割)yards during the summer to earn pocket change．Dad traded our service to neighbors and      a price they could not refuse. We got $ 10 per yard．I later found out our friends        $20 or more for the same amount of work.
One day we were      our next-door neighbor’s yard．She always waited until the grass was knee—high to call us over．    we had an old lawn mower．This particular hot afternoon, I was finishing up and was tired .I         the tall grass as a cold drink to cool down.
I was just about to cut off the lawn mower       I saw Dad pointing to one lone piece. I thought about the        change l was getting paid for cutting grass so high that it        broke the mower. I ignored him and kept walking. Dad called me out,“You       a piece.” I frowned, hoping he would let me go home. He kept pointing .So     , 1 went back to cut that piece of grass. I said to myseIf, “That one piece  doesn’t       anyone .Why won’t he just let it      ?”
But when I reached adulthood，I understood his        : When you’re  running  a business, the work you do         much about you If you want to be seen as a businessman with      ，you  must deliver a quality product .That single piece of grass meant the job was not done.
The       my father taught me stayed with me：if you say you are going to       a job at a certain time，keep your       ．Give your customers the kind of       you would llke t0 receive. It shows how sincere you are and how much       you take in your work.

A．kept B．calculated C．lowered D．offered

A．charged B．paid C．afforded D．spent

A．cleaning B．exploring C．cutting D．searching

A．To be honest B．Worse still C．Believe or not D．Above all

A．picmred B．watered C．planted D．enjoyed

A．after B．before C．when D．while

A．total B．exact C．loose D．poor

A．hardlv B．almost C．never D．merely

A．lost B．1eft C．missed D．forgot

A．angry B．happy C．astonished D．stubborn

A．attract B．hurt C．attack D．comfort

A．come B．live C．go D．pass

A．action B．instruction C．feeling D．message

A．says B．expresses C．explains D．knows

A．fortune B．pleasure C．content D．honesty

A．lesson B．experience C．skill D．business

A．quit B．find C．create D．perform

A．word B．secret C．mind D．watch

A．dignity B．service C．reward D．praise

A．trouble B．surprise C．pride D．responsibility