Wisdom seems to have got lost in a welter of knowledge.

Answer: Option A

Confusion : uncertainty about what is happening, intended, or required.
Height : the measurement of someone or something from head to foot or from base to top.
Clarity : the quality of being coherent and intelligible.
Sacrifice : an act of slaughtering an animal or person or surrendering a possession as an offering to a deity.
Welter : a large number of items in no order; a confused mass.

Synonym of Welter is Confusion