His response does not seem rational to us because we are used to our freedoms but for Sergei he group up with the KGB just barging into his home at anytime. Now where Sergei lives he has privacy and he doesn't want anyone to bother his privacy.
C. bicycling to build leg strength. It is the most general activity among the
four choices. Although it says to build
leg strength it is not so specific for what activity it will be used for. The other choices were more specific in their
goals.
