All of the Following Statements Regarding Short-Term Objectives or Benchmarks

All of the following statements regarding short-term objectives or benchmarks are true, EXCEPT:​

A) the duration of most short-term objectives or benchmarks is generally 6 to 9 months.
B) short-term objectives or benchmarks are not required in every IEP.​
C) short-term objectives or benchmarks are required in the IEPs of students with significant cognitive disabilities who are completing alternative assessments.
D) benchmarks typically describe an anticipated level of student accomplishment.