[单选题]
A person makes ice tyz:bfwedk 5o:-x: ,ycea by adding ice to 1.8wzu d,cp, ,yqge j:5;k kg of hot tea, initially at $80 \; ^{\circ}C$. How many kilograms of ice, initially at $0 \; ^{\circ}C$, are required to bring the mixture to $10 \; ^{\circ}C$?
A. $1.0 \; kg$
B. $1.2 \; kg$
C. $1.4 \; kg$
D. $1.7 \; kg$
