GMAT Critical Reasoning (CR) | Re: A party cannot be compelled to submit to general arbitration unless..

A party cannot be compelled to submit to general arbitration unless there is a contractual basis for concluding that the party agreed to do so. However, class arbitration is a specific kind of arbitration that changes the nature of general arbitration to such a degree that it cannot be presumed that parties consented to class arbitration simply by agreeing to submit their disputes to an arbitrator.

Which of the following statements is best supported by the passage above?

A) Generally, class