题目选项分析

Donations of imported food will be distributed to children in famine­-stricken countries in the form of free school meals. The process is efficient because the children are easy to reach at the schools and cooking facilities are often available on site.

Which of the following, if true, casts the most serious doubt on the efficiency of the proposed process?

【选项】A massive influx of donated food will tend to lower the price of food in the areas near the schools.