C198 Cooked rice with uncooked rice

Secretary Fang looked left and right, confirming that no one was around, then came over and said softly: "This is a review letter from a Security Officer of some sort that was sent to the bureau Chief by a Security Officer."

I was stunned for a moment before asking, "Which Head Office?"

Secretary Fang whispered: "It's your C Head Office's, Staff Officer Liu's."

I suddenly realized, thinking