题目18.(2.0分)(判断从句类型)That the seas are being over-fished has been known for years.A. 状语从句B. 定语从句C. 主语从句18.(2.0分)(判断从句类型)That the seas are being over-fished has been known for years.A. 状语从句B. 定语从句C. 主语从句题目解答答案C. 主语从句