Question

1. what are the audience’s aims when listening to an informative speech by a prominent scientist at cern (the biggest particle physics laboratory in the world)?

to hear something which validates their support of cern
to feel inspired to take action
to find out about the latest experimental findings
to hear scandalous inside information from the science world

Explanation:

An informative speech by a scientist at CERN (a particle physics lab) is likely to share scientific updates. The aim of the audience for such an informative speech would be to learn about new experimental results. Validating support or hearing scandals is not typical for an informative scientific speech, and taking action is more for persuasive/activist speeches, not informative ones.

Answer:

C. to find out about the latest experimental findings