Choose the correct tense to complete the sentence: She _____ a professional photographer since 2015.
答案解析
核心考点:现在完成时态。正确答案C依据:'since+时间点'需搭配完成时。错误选项分析:A(过去时)、B(现在时)、D(将来时)均无法体现持续状态。解题关键:时间状语决定时态选择。
正确答案:C