Placement of adverbial modifier is very important in this question.
A) As the global pandemic has brought
hosting new experiences, including working from home, home-schooling and online socialising, it has also increased the loneliness
unsurprisingly of many people.
B) As the global pandemic has brought
hosting of new experiences, including working from home, home-schooling and online socialising, it has , unsurprisingly, increased the loneliness of many people
as well.C) As the global pandemic has brought a host of new experiences, including working from home, home-schooling and online socialising, it has also, unsurprisingly, increased the loneliness of many people.
-- CORRECTD) As the global pandemic has brought a host of new experiences, included working from home, home-schooling and online socialising, it has also increased the loneliness of many people
unsurprisingly.
E) As the global pandemic has brought a host of new experiences, included working from home, home-schooling and online socialising,
that it has also, unsurprisingly, increased the loneliness of many people.
-- Absence of an Independent Clause