试题内容
In approximating costs, the estimator considers the possible causes of variation of the cost estimates, including （ ）。
A.budget
B.plan
C.risk
D.contract
软题库参考答案：C（仅供参考）
软题库解析：正在加载....
试题内容
In approximating costs, the estimator considers the possible causes of variation of the cost estimates, including （ ）。
A.budget
B.plan
C.risk
D.contract
软题库参考答案：C（仅供参考）
软题库解析：正在加载....
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