Which of the following phrases is associated with the term "ultra"?

The phrase "to infinity" is associated with the term "ultra" as it conveys a sense of going beyond limits or boundaries. The prefix "ultra-" typically means "beyond" or "exceeding," serving as a descriptor for something that surpasses a certain extent. In this context, when paired with "infinity," it suggests an idea of limitless or boundless existence, which aligns perfectly with the meaning of "ultra."

The other options refer to specific contexts like legal proceedings or testimony, which do not inherently embody the concept of exceeding or going beyond as "to infinity" does. Understanding the nuances of prefixes and their meanings is crucial for answering such questions accurately.