Which of the following techniques is an instance of supporting a point with testimony? a Telling an entertaining story about a personal experience b Mentioning a specific instance that is reflective of your larger point c Relating a point to a similar concept likely to be understood by the audience d Referring to a relevant quotation from a highly credible mathematician e Incorporating relevant data, either through visual aids or citation

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.

in my opinion, ap calculus was the most difficult. i often struggled with it a lot. however, i have gotten a lot better.

pandora was the poor unfortunate soul that was tricked into letting all of the evil of the world out of the pithos (any percy jackson fans out / box.

so is this a rhetorical question?