Which sentence is an example of a concrete statement ?

a ) my future goals include getting my zoology degree and working at woodland zoo as a zookeeper.
b ) in the future, i would like a position that will allow me to use my skills in the best way.
c ) my goals for the future are to get a position hat i could one day transition into a lifelong career.
d ) i have a bright future, and there are many different things that i want to do in my career.

! if i get the answer correct i'll give a ! i appreciate it .