Question

in the text, the chinese government is described as \upping the ante.\ this idiom is used to show that:
the government is investing more money into the olympic infrastructure.
the government has decreased the level of censorship for the games.
the government is encouraging more athletes to speak out.
the government has increased the severity of its threats and the stakes for international athletes.

Explanation:

The idiom "upping the ante" means increasing the stakes, risk, or level of commitment in a situation. Among the options, only one aligns with this meaning: increasing the severity of threats and raising the stakes for others.

Answer:

The government has increased the severity of its threats and the stakes for international athletes.