单选题   The summit will be an opportunity for every state head to give ______ to their feelings.
 
【正确答案】 D
【答案解析】 形似义异辨析，此处的考点是固定搭配。give vent to意为“发泄，表达，吐露(感情等)”，如：He gave vent to his anger by smashing the window.他砸窗户发泄怒气。