By asserting that manufacturers “are simply unaware” （line 31), the author suggests which

By asserting that manufacturers “are simply unaware” (line 31), the author suggests which of the following？

A．Manufacturers might donate excess inventory to charity rather than dump it if they knew about the provision in the federal tax code.

B．The federal government has failed to provide sufficient encouragement to manufacturers to make use of advantageous tax policies.

C．Manufacturers who choose to dump excess inventory are not aware of the possible effects on their reputation of media coverage of such dumping.

D．The manufacturers of products disposed of by dumping are unaware of the needs of those people who would find the products useful.

E．The manufacturers who dump their excess inventory are not familiar with the employment of liquidators to dispose of overstock.