Sometimes people mix metaphors, especially people who use cliches. Find a mixed metaphor in the group below? A. she grabbed the bull by the horns and ran with it

B. this painting will teach your mind's eye to play by ear

C. they swept the rug under the carpet

D. all of the above​

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 the 1890s, southern states enacted a new form of black codes, called “jim crow” laws. these laws made it illegal for blacks and whites to share public facilities. this meant that blacks and whites had to use separate schools, hospitals, libraries, restaurants, hotels, bathrooms, and drinking fountains.

explanation:

i don’t know the story but to answer the fiest question about theme and   subject . theme is a debatable opinion about a subject while the subject is a topic the author deside's to stick with and use through out the book and in his/her writing