It took _______ building supplies to construct these energy-saving houses. It took brains, too.

It took        building supplies to construct these energy-saving houses. It took brains, too.

It took         building supplies to construct these energy-saving houses. It took brains, too.

It took        building supplies to construct these energy-saving houses. It took brains, too.

A．other than         B．more than         C．rather than        D．less than

It took         building supplies to construct these energy-saving houses. It took brains, too.