luke2021
The Robot Fans invented to enliven the environment at the matches of a struggling Korean baseball team by cheering, chanting, and performing Mexican waves have been specially designed to increase the number of fans in the stadium during team's matches, and hence boosting the morale of the players.
a) matches, and hence boosting
b) matches and thereby boost
c) matches, and as a result boosts
d) matches, which thereby boost
e) matches, and it will bosst
a) matches, and
hence boosting--> Parallelism issue;
specially designed to X and
Yb) matches and thereby boost--> correct
c) matches, and as a result
boosts--> SV error, Robot fans is plural subject
d) matches,
which thereby boost--> changes the intended meaning, which is now referring to matches instead of Robot Fans
e) matches, and
it will boost--> SV error same as option C