Mr.Janson joined several professional realtor associations ———better network with other like-minded individuals in the industry.
a) and
b) in light of
c) in order to
d) so that
이거 답은 c인데 in order to (하기 위해서) 뒤에 동,원이 와야 하지 않나요? better가 형용사가 아닌 동원으로 쓰인건가요?