Science P6 RGPS 2018 SA1 Q19

Pei Ling put two identical hot buns, of the same temperature, into each identical boxes, A, B and C. Each box had a different number of holes on its lid.The table below shows the number of holes on the lid of each box.
BoxesNumber of holes on the lid
A2
B7
C10
Based on the information above, which of the following statements made by Pei Ling is correct?