The anxious parent was vigilant over the injured child in spite of a full array of emergency room of doctors and nurses.
【正确答案】 C
【答案解析】解析:vigilant“警惕的,注意的”。preoccupied“全神贯注的”;unwary“粗心的”;watchful“关心的”;dozing“假寐的”。由句意可知,家长对于孩子的受伤情况应该是非常关心的,故选C。