Pick the Metric Temperature That Is Most Appropriate in Each $70^{\circ} \mathrm{C}$

Multiple Choice

Pick the metric temperature that is most appropriate in each situation.
-The temperature of the water in a swimming pool.

A) $70^{\circ} \mathrm{C}$
B) $100^{\circ} \mathrm{C}$
C) $30^{\circ} \mathrm{C}$
D) $50{ }^{\circ} \mathrm{C}$