Choose the right conjunctions according to the context of this paragraph.
The poverty levels were found to be reduced. ______ the unemployment levels remained high. ______ the illiteracy levels also remained unchanged. ______no changes in income distribution were observed during the time of this study.
A、Though; And; But
B、Even though; In addition; however，
C、Even though; In addition，; However
D、Though; In addition，; But，
E、However,  ; In addition，; Intriguingly，