Question

【题目】_____ everybody enjoys fresh cut flowers﹙插花﹚ around his house, few people know how to keep them for as long as possible.

A. Because B. Since C. While D. If

Answer 1

【答案】C

【解析】

试题分析：考查while引导让步状语从句。此处为while引导让步状语从句，表示虽然之意，故选C。