Imagine that a young child is presented with a novel word, "teddy," when her uncle says, "What a sweet teddy." In front of the child are two objects, a teddy bear —"bear" is a word the child already knows—and a can opener, an object the child has never seen before. The child makes the assumption that the novel word refers to the can opener through an expectation referred to as:

inference?

Explanation:

what organizations did you select

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."