Shauna has collected a variety of sources for her research about charlie chaplin’s impact on american cinema. in performing her preliminary evaluation of each source, shauna should
a. thoroughly review and examine the content.
b. perform a quick search to determine the author’s reliability.
c. check whether the author agrees with experts on the subject.
d. decide whether it will be useful in her final essay.

D is not the correct answer. According to the quiz, the correct answer is actually B. Perform a quick search to determine the author's reliability.

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.

it the character ahdfg gsytriw   errtywer erwqtydfgb gwty