New research on technology and public policy focuses on how seemingly _____ design features, generally overlooked in most analyses of public works projects or industrial machinery, actually _____ social choices of profound significance.
(A) insignificant .. mask
(B) inexpensive .. produce
(C) innovative .. represent
(D) ingenious .. permit
(E) inopportune .. hasten
Answer: A)
According to my interpretation, it is seeming significant but it actually mask the significance.
How come the answer is A ?Please explain