Less than 20 nations have formal diplomatic relations with Taiwan, owing to the fact that the People's Republic of China claims it as part of its "One China" territory, refusing to have diplomatic relations with any nation that recognizes it as an independent nation, and most western nations unofficially consider Taiwan an independent state.
A.
Less than 20 nations have formal diplomatic relations with Taiwan, owing to the fact that the People's Republic of China claims it as part of its "One China" territory, refusing to have diplomatic relations with any nation that recognizes it as an independent nation, and
Incorrect20 nations countable, so less should be fewer
B. The People's Republic of China refuses to have diplomatic relations with any nation that recognizes Taiwan as an independent nation,
claiming Taiwan as part of its "One China" territory, and as a result of this, fewer than 20 nations have formal diplomatic relations with Taiwan, though
Incorrectmodifier issue - claiming is not modify china, it modifies action of previous clause; reference of this is not clear
C. Refusing to have diplomatic relations with any nation that recognizes Taiwan as an independent nation, the People's Republic of China claims it as part of its "One China" territory, and
correspondingly, fewer than 20 nations have formal diplomatic relations with Taiwan, while
Incorrectcorrespondingly is not convey intended meaning
D. The People's Republic of China claims Taiwan as part of its "One China" territory,
and by refusing to have diplomatic relations with any nation that recognizes it as an independent nation, fewer than 20 nations have formal diplomatic relations with Taiwan, though
Incorrectby refusing is not in parallel
E.
Because the People's Republic of China claims Taiwan as part of its "One China" territory and refuses to have diplomatic relations with any nation that recognizes Taiwan as an independent nation, fewer than 20 nations have formal diplomatic relations with Taiwan, though Correctsounds good