【单选题】

You are a project manager of a small construction project. Your project was budgeted for US $72,000 over a six week perioD、As of today, you’ve spent US $22,000 of your budget to complete work that you originality espected would cost US $24,000.According to your schedule, you should have spent US $30,000 by this point.Based on these circumstances, you project could beBEST described as ______ .

A、under budget
B、over budget
C、on budget
D、need more info