Which of the Following Best Illustrates Functional Modification

Multiple Choice

Which of the following best illustrates functional modification?

A) Campbell's adds large chunks of higher-grade chicken in its classic chicken noodle soup.
B) A smoke detector is upgraded to be more sensitive to smoke at farther distances.
C) Motorola uses long-lasting batteries for its cell phones to facilitate quicker charging.
D) A manufacturer of primer and sealer introduces an odorless variety.
E) Friskies changes the ingredients in its cat food to a taste that is preferred by most cats.