49. In spite of individual differences, there are some factors that may distinguish good administrators from poor ones. (1) In addition, good managers assign jobs to others, while poor ones do the jobs themselves. (2) Good managers anticipate problems, but poor ones are often taken by surprise. (3) They prefer to take on one extra task after another rather than train employees to do the work right. (4) Even though there are problems that are hard to predict, good managers are always prepared for them.
(A) 2413
(B) 2143
(C) 4231
(D) 1234