问题如下：
1. Which statement most accurately describes a requirement of the GIPS standards? Maven must be satisfied that Excedent’s composite benchmarks are:
选项： free
from systematic bias.
consistently applied over time.
C.unambiguous, investable, and measurable.
解释：
GIPS Provision IV.B.2.a.vii states, "Verifiers must perform sufficient procedures to determine that: The composite benchmark reflects the investment mandate, objective, or strategy of the composite." (See Section 6 of the reading.)
C为何不对
