Answer:
Direct Selection Tool
Explanation:
The Direct Selection tool is a tool that allows the selection of a single object or a single path such that an object already grouped with other objects can be directly and moved to a desired location
The Direct Selection tool can be used to select a container's content including graphics which are imported and specific points or paths of a figure or text to allow for drawing, text editing or to edit paths.
C because I said so hahahah
Put the mouse at the top of the black part and click and hold down, and then drag it down to the bottom. And don't feel embarrassed to ask somebody lol