1-C. I was carrying almost 30 kilograms, and it was killing me.I was carrying almost 30 kilograms, and it was killing me.
私は、ほぼ30キログラムを運んでいました、そして、それは、私を殺していました。
2-C. The average weight of children around these ages is more than 12 kilograms.The average weight of children around these ages is more than 12 kilograms.