Mark the letter A, B, C or D on your answer sheet to indicate the best arrangement of utterances or sentences to make a cohesive and coheren...

Mark the letter A, B, C or D on your answer sheet to indicate the best arrangement of utterances or sentences to make a cohesive and coherent exchange or text in each of the following questions from 13 to 17.

Question 13:

a. Sophie: In our science club, we tested seawater from the pier, and the pH dropped again this week.

b. Daniel: If the water gets more acidic, tiny shellfish may struggle, so the food chain can shift.

c. Sophie: Let’s add the numbers to a shared spreadsheet and ask the teacher whether temperature or CO2 is driving it.

A. a – b – c        B. b – a – c        C. a – c – b        D. c – a – b