— I think you should phone Jenny and say sorry to her.

— _____. It was her fault. [ ]

A. No way

B. Not impossible

C. No chance

D. Not at all

一电炉的功率P=200W，将质量m=240g的固体样品放在炉内，通电后电炉内的温度变化如图所示。设全部电能转化为热能并全部被样品吸收，试问：该固体样品的熔点和熔化热为多大？