Which statement about Title VII of the Civil Rights Act of $1964$ is true?

The act protects employers from an employee's opposition to an alleged illegal employment practice.

The act permits employers to retaliate against employees participating in a proceeding against an employer.

The act applies to organizations with $15$ or more employees.

The act permits employers to hire an individual based on his or her gender and race in the absence of a bona fide occupational qualification $($BFOQ$).$

The act permits employers to hire job applicants belonging exclusively to a particular nationality.