A Driver's Test, if you're referring to automobiles.
Discrete becuase it isn't in the form Y=MX+B
Cogeneration is the process of taking a waste product or process and producing heat and generating electricity from it at the same time.
It could be collection of waste heat from the original generation of electricity or burning of biodiesel, ethanol or methane gas from sewer or cow dung. The only answer where electricity is using or creating heat and generating electricity power is C.
Pantomiming is the act of miming an object and using it. For example, if you're at an audition, and you see in the script you are supposed to talk on the phone, you would shape your hand as if you had a phone in it. It's like pretending the object is there and interacting with it.
I hope this Helps!