Based on the premise "Later it was enlarged by Constantine the Great, eventually measuring 400 metres long by 120 metres wide (1,300 feet by 400 feet), and could hold an audience of 100,000.", can we conclude the hypothesis "It was designed to hold about 100,000 people after being enlarged. " is true (see options)?

pick from the following.
(a). yes;
(b). it is not possible to tell;
(c). no;
(a).