194-- An athlete, during exercise, consumes 22 kilocalories of energy per minute. To provide the energy for one hour of exercise, if instead of the most suitable food, the least suitable food is used, how much of the least suitable food is needed?
Food
Combustion value (kJ$\cdot$g$^{-1}$)
A
11.5
B
25
C
18
D
4
(1) $6.5$ (2) $6$ (3) $5$ (4) $4.5$
\textbf{194-- An athlete, during exercise, consumes 22 kilocalories of energy per minute. To provide the energy for one hour of exercise, if instead of the most suitable food, the least suitable food is used, how much of the least suitable food is needed?}
\begin{center}
\begin{tabular}{|c|c|}
\hline
\textbf{Food} & \textbf{Combustion value (kJ$\cdot$g$^{-1}$)} \\
\hline
A & 11.5 \\
\hline
B & 25 \\
\hline
C & 18 \\
\hline
D & 4 \\
\hline
\end{tabular}
\end{center}
\hspace{1cm} (1) $6.5$ \hspace{2cm} (2) $6$ \hspace{2cm} (3) $5$ \hspace{2cm} (4) $4.5$