【单选题】

during project execution, the customer authorizes and funds a scope change which requires a major change in the schedule. the baseline

schedule:
a. now becomes the new schedule, including the changes, and the original baseline is disregarded.
b. is still the original baseline but annotated to reflect that a change has taken place.
c. is amended to reflect the scope change, but the original baseline is still maintained for post-project review.
d. is meaningless since every schedule update changes the baseline (i.e., a rubber baseline.)
e. is the same since baseline schedules cannot change once the development phase is completed.