听力原文： Officials say at least eighty-four children were killed and at least thirty injured when a fire engulfed a thatched-roof school in the southern state of Tamil Nadu. Officials say students had little chance of escaping as the fire spread from the school's kitchen and raced across the roof which collapsed. Reports from the area say teachers fled the building before ensuring all the school's nine hundred children were out. Authorities suspended at least one school official after the disaster.
How many children were there in the school？

A. 114.
B. About 200.
C. 900
D. More than 1,000.