Read the paragraph below from the section "Parents Protest Prayer."

The American Civil Liberties Union (ACLU) supported the parents. It is a group that works to defend people's rights under the Constitution. The parents were also helped by the American Jewish Committee and the American Ethical Union, which defend people's religious rights. The groups wrote a letter to the Supreme Court for the parents. Meanwhile, some 20 states asked the court to keep the prayer.

Which conclusion is supported by this paragraph?

A
Many people did not support the parents who were upset by students saying a prayer in school.
B
The ACLU agreed that schools had a right to ask students to say a prayer in school.
C
Many different groups wrote letters to the parents who were upset by students saying a prayer in school.
D
The ACLU was not interested in what the Constitution had to say about students praying in school.