Type : MCQ
Intructions :
Directions: In the following question there are sentences that form a paragraph. Identify the sentence(s) or part(s) of sentence(s) that is/are correct in terms of grammar and usage (including spelling, punctuation and logical consistency). Then, choose the most appropriate option.
A. The classical approach says
B. if you give a compound formula to test subjects
C. and obtain positive results, you cannot know which ingredient is exerting benefit,
D. so you must test each ingredient individually.