Which of the Following Is True About Long-Range and Short-Range

Which of the following is true about long-range and short-range plans?

A) There is a lot more permanency to long-term plans today than there was in the past.
B) Long-term plans are not subject to frequent revisions today.
C) Long-term plans typically look at least ten years or more into the future.
D) The time frames of planning are shifting at present.
E) Lower management is mainly responsible for creating short-term plans.