Option A answers the text best.
Answer:
perspective means:
1. the art of representing three-dimensional objects on a two-dimensional surface so as to give the right impression of their height, width, depth, and position in relation to each other.
"the theory and practice of perspective"
2. a particular attitude towards or way of regarding something; a point of view.
"most guidebook history is written from the editor's perspective"
I`m assuming the underlined word is dearth, so
the answer is a. shortage
