题目32.(判断从句类型)She wanted to know if vaccines come from animal research.A. 定语从句B. 宾语从句C. 状语从句32.(判断从句类型)She wanted to know if vaccines come from animal research.A. 定语从句B. 宾语从句C. 状语从句题目解答答案B. 宾语从句