A television advertisement claiming that a product is light-years ahead of its time does not make sense because __________.
a. it uses "light-years" to talk about time, but a light-year is a unit of distance.
b. light-years can only be used to talk about light .
c. it doesn't specify the number of light-years a light-year .
d. a light year is an astronomically large unit, so a product could not possibly be so advanced.

Q&A Education