题目选项分析

Finance Minister: Last year was disastrous for our manufacturing sector, which has traditionally contributed about 75% of our national budget. It is therefore encouraging that there is evidence that the IT sector is growing stronger. Taxes from the IT sector accounted for 15% of our national budget, up from 8% last year.

On the basis of the statements above, what best supports the above conclusion?

【选项】It is difficult to determine whether the jump from 8-15% tax contribution by the IT sector will be ongoing.