With a link over the Channel, you could buy your fish and chips in England and be able to eat them in France while they were still warm ! ( Passage 3 )

A．less expensive to be bulk than a bridge
B．more expensive to be built than a bridge
C．less expensive to be built than a rail
D．more expensive to be built than a rail

A．be reasonably doubtful about them
B．check ail their answers
C．substitute them for basic thinking
D．use them for business purpose only