4. Given are four sentences on a topic. Some sentences are grammatically incorrect or inappropriate. Select the option that indicates the grammatically correct and appropriate sentence(s).
A. Changing of the guard is taking place in the corporate world, notably in those sectors most affected by the technology boom and bust.
B. Chief executives who got it, in the parlance of the late 1990s, are being replaced with folk who didnt get it, or who at least wear a tie but not a beard.
C. An enthusiasm for good corporate governance has replaced vision as the most desirable characteristics for a new boss.
D. Todays board of directors have come to share Lou Gerstners famous sentiment, uttered back in 1993: The last thing IBM needs now is a vision.