Is It Possible for an Object to Accelerate but Without

Multiple Choice

Is it possible for an object to accelerate but without changing its speed?

A) Yes, for example when a car is halfway up a straight hill [a hill whose slope, or angle with the horizontal, does not change] and moving a an unchanging speed.
B) Yes, for example when a car turns a corner while maintaining an unchanging speed.
C) Both of the above.
D) No, because the word "acceleration" means "a change in speed."
E) No, because the word "acceleration" means "speeding up."