A．Mark has been transferred to another job because of his poor work.
B．Mark prefers credit to his own interest.
C．Mark has pleasant personality and plays a key role in the office.
D．Mark will have a very promising future career.

A．the more capable you are of handling changes, the easier it is for you to have a sense of happiness
B．everything is destined to end so it is wise to look into the future
C．today is always important than yesterday and tomorrow
D．the one who can well adapt himself to the surroundings is more likely to survive