TOEFL Reading: ETS-TOEFL阅读机经 - 3I1H13K77D6F70HBL$

It can be inferred from paragraph 3 that female frogs are seeking mates who A. can inhabit a variety of breeding sites B. can occupy habitats at a distance from those of younger male frogs C. have protected previous mates from environmental hazards D. are likely to pass on traits that strengthen their offspring's chances of survival