Which sentence would make the best hook for an introductory paragraph about the mayan calendar? imagine life without a calendar—would our society collapse? every kind of work, school, and even religion needs calendars to keep on track. a calendar is used to indicate the passage of time. calendars were first created to schedule religious holidays and to plan agricultural events such as planting and harvesting.

The correct answer is A. Every kind of work, school, and even religion needs calendars to keep on track.

Explanation:

A hook is an introductory sentence that engages the reader to continue reading a text, considering this, hooks play an important role in all types of texts as an appropriate hook guarantees the reader will read all the content of the text or on the opposite stop reading. It is considered  a good hook should introduce the reader into the topic of the text but should be interesting and avoid providing information that will be explained during the text, there are multiple ways of creating a good hook and one of this includes using a descriptive and interesting phrase as in "every kind of work, school, and even religion needs calendars to keep on track", as it describes the importance of calendars in different contexts and by doing this the reader knows the texts is about calendars and later will discover the contexts of it is the Mayas society.

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.