Teleglobe's charges are substantially higher than for long-distance calls of equivalent length over the North American telecommunications grid, where competition and choice exist, or for overseas telecommunication calls that are routed via the United States, where competition and choice also exist.
Can we infer the following?
Teleglobe charges more than MCI.

Choose from: (I) Yes; (II) It's impossible to say; (III) No;
The answer is:
(II)