After showing and discussing an example of modern art, priya covers it and then reveals the next example.
this is an example of .practice using an aidb. reading directly from the presentation aidc. reading directly from the aidd. using an aid only when it is relevant

answer: d.using an aid only when it is relevant.

priya's behaviour is an example of using an aid only when this is relevant. priya is showing an aid while discussing a particular topic. however, when the topic changes, the aid stops being revelant. when this happens, priya covers the aid, and displays another one that best fits with the new subject of discussion.

the sample answer on e2020

conflicting values are demonstrated between two different groups in animal farm. first, the farm animals value hard work. this is shown by them working late and working long hours at the request of the pigs. napoleon and the pigs, however, sleep late daily. furthermore, the animals value equality. this differs from the value of napoleon and the other pigs. instead of equality, they value only gaining power and maintaining their own privilege, which is demonstrated by their taking extra milk and sleeping in beds.