【C6】A．processedB．discardedC．operatedD．reflected

【B3】A．playedB．workedC．operatedD．affected

【C6】A．employedB．createdC．operatedD．controlled

A．feetB．resourcesC．coreD．reflection

【C7】A．characteristiCB．illustrativeC．representativeD．reflective

【C2】A．actionsB．functionsC．behaviorD．reflection

【C3】A．employedB．createdC．operatedD．controlled