Which of the Following Statements About Running Times of Algorithms

Multiple Choice

Which of the following statements about running times of algorithms is correct?

A) When determining the running time, lower-order terms must be taken into consideration.
B) When determining the running time, constants are not taken into consideration.
C) An algorithm that is O(1) means that only one comparison takes place.
D) An algorithm that is O(n) means that the number of comparisons does not grow as the size of the array increases.