According to research, children under 12 are not enough to recognize dangers and risks. That's why they cannot be left alone without the company of adults.
Amature正確答案
Bqualified
Caccurate
Daggressive
答案與詳解
mature 意為「成熟的」,指心智發展到能判斷事理。與「辨識危險」的心智能力直接對應,符合句意。
