As a noun: He called security. <em></em>(<em>security is a noun</em>)
As an adjective: There are strict security measures (<em>describes what the measures are like</em>)
Bring is used when something is being taken towards (to) the speaker, whereas carry is when something is transported by using hands, body, and/or strength. :)
For the first question it is A, C, D and I think the second one might be C
