試題詳解

26. What's the main breakthrough described in this article? (3%)
(A) Chemically synthesized FR has become the main source for large scale produetion
(B) The advancement of cultivating coralberry plants can fulfill the demand of FR.
(C)The microorganisms identified on the leaves of coralberry plants are now in large scale laboratory cultivation for FR synthesis.
(D) A certain type of bacteria isolated from soil ean be the potential candidate for expediting FR synthesis.