Read the following context and choose the best option to answer the question.
Context: The kids were starving so Katerina made them some Pelemeni ( a kind of Russian ravioli ) & amp ; then we headed off into St Petersburg with Liza as well . Now there were 5 of us in the back so we took a rug that the kids could duck under whenever we spotted a policeman ! It was about an hour 's drive into the centre of the city through crazy Russian traffic , with Alexi shouting " Poleizi ! "
Question: Why would the narrator need to bring a rug along ?
Options: 
A. None of the above choices .
B. The narrator is decorating .
C. The narrator is hiding people .
D. The narrator only borrowed it .


C