To lessen the seriousness of global warming, the most effective way is still ______.

A．She goes home for lunch.
B．She spends her time shopping.
C．She gets interested in what she is reading.
D．She doesn’t wake up in time.

A．He wants to meet them at the concert.
B．He wants to make up for their loss.
C．He wants to rob them on their way to the concert.
D．He wants to rob their house.