GRE Text Completion: OG/PP2-GRE填空OG/PP2 - OLFQ1BN8_4JQFZ5ZF

The slower-learning monkeys searched ____________ but unintelligently: although they worked closely together, they checked only the most obvious hiding places. A. competitively B. impulsively C. cooperatively D. deviously E. craftily F. harmoniously