Although When They Were First Introduced, Peel Back Aluminum Seals

Although when they were first introduced, peel back aluminum seals were seen as a great alternative to using a traditional can opener, many people sliced their fingers in the process of opening the container.Many manufacturers switched to a safer more flexible seal as soon as the technology became available.This demonstrates the importance of

A) consumer protection and safety, an element of functional benefits.
B) convenience, an aspect of functional benefits.
C) clear instructions, an aspect of communication benefits.
D) a sense of security, an aspect of perceptual benefits.
E) adaptability, an aspect of technological benefits.