Competitive admission is mostly used by

Admission for which applications are reviewed based on academic performance, completion of rigorous coursework, and extracurricular activities. Those accepted either meet thresholds for these criteria or stand out from fellow applicants in one or more of these criteria.                                                                                                                                                                     Competitive admission is usually used by four-year colleges.

Ithink it's dissoulution

The answer is a or b