Which of the following is a central idea in the conclusion of the Declaration of Independence? A. People have unalienable rights such as life, liberty, and the pursuit of happiness.
B. The colonists have the right to separate from Britain's oppressive rule.
C. Colonists should have more rights than their British brethren.
D. British citizens will be barred from entering the colonies in the future.

B

Explanation:

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.

b.science

explanation: