Which of the Following Is Not One of the Standards

Which of the following is not one of the standards that a business must meet to qualify for status as a subchapter S corporation?

A) The business cannot be a subsidiary of another corporation.
B) All shareholders must agree to have the corporation formed as a subchapter S corporation.
C) It can have no more than 75 members (husbands and wives count as one member) .
D) It can have only one class of stock issued and outstanding.
E) The shareholders must be U.S. citizens.