What is the author's attitude towards President Bush's declaration about oil addiction

A． refute the criticism by some commentators
B． highlight his Texas roots, advocacy of Arctic drilling, and other associations with the oil industry
C． call for more efforts on pursuing alternative energy sources
D． change the long-standing public impression that he is an oilman who believes in the oil economy

A． Tourism may help local governments educate and train more qualified service providers.
B． Tourism prompts entrepreneurs to provide new products and services to cater to the needs of tourists.
C． Tourism helps local people better preserve their cultural heritage.
D． Tourists can learn something about societies different from their own.