How does a text’s plot structure contribute to how well do we understand the text?

How can behavioral science be applied in improving public health? a.by tracking a disease to determine its sourceb.by creating promotions that improve health habitscboth by tracking a disease to determine its source and by creating promotions that improve health habitsd.neither by tracking a disease to determine its source or by creating promotions that improve health habits

Can someone me answer this english question

Choose the correct type of literary text for the statement. if both types apply, be sure to choose the answer that includes both types. use(s) imagery? 1: poetry 2: poetry and prose 3: prose