A light bulb company produces 2000 light bulbs per week. The manager wants to ensure that standards of quality remain constant from week to week. The manager therefore claims that out of 2000 light bulbs produced per week, 500 light bulbs are rejected. Of the following, the best criticism of the manager's plan is that the plan assumes that

A

Light bulb manufacturers cannot accept all light bulbs that are produced.

B

Each light bulb reviewed is worthy of being reviewed.

C

It is difficult to judge the quality of a light bulb.

D

The 1,500 light bulbs that are accepted will be of the same quality from week to week.