In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
Literature is a powerful tool that helps writers plumb the ............... of the human psyche and pluck out the hidden dependencies and scars of a particular era. Although fiction allows writers the latitude ............... create and imagine lives, most authors of ............... novels tend to focus on capturing the emotional zeitgeist of the times................ an emphasis on the large movements of history, they seek to understand the private moments sadness and explore the sounds and flavours............... a forgotten era.
writers the latitude ............... create and imagine lives

Options

A. to
B. so
C. as
D. at