W: You’re going to Boston tomorrow, aren’t you.
M: Yes. I thought I’d fly, but then I decided that taking a bus would be cheaper than driving or flying.

How did the man plan to go to Boston().

A．she had a cozy Christmas dinner and fabulous fireworks
B．she had a more-exciting-than-ever Christmas holiday
C．she saw performances given by disabled children
D．she devoted herself to helping the disabled children

A．take
B．taken
C．taking
D．to take