Nock is looking for another job because he feels that nothing he does（）his boss.

A．why English has become a global language
B．how many people in the world speak English
C．how people in the world learn English as a foreign language
D．whether we need to worry about English being a world language

A．it’s very hard to plant many kinds of flowers in a garden
B．it’s good for people from other countries to learn English
C．more and more people like to plant roses in their gardens
D．English is easier to learn than other languages