Question

1. which choice completes the text with the most logical transition? a team led by portuguese researcher isabel c.f.r. ferreira found that many species of mushrooms contain chemicals called phenolic compounds, such as 5 - o - caffeoylquinic acid and kaempferol. ___ ferreira detected 5 - o - caffeoylquinic acid in pleurotus ostreatus mushrooms and kaempferol in sparassis crispa mushrooms. a. however, b. for this reason, c. for example, d. nevertheless,

Explanation:

The first part of the text states that many mushroom species contain phenolic compounds. Then it gives specific examples of compounds detected in certain mushrooms. "For example" is used to introduce examples. "However" indicates a contrast which isn't the case here. "For this reason" implies a cause - and - effect relationship which isn't applicable. "Nevertheless" also implies a contrast. So "For example" is the most appropriate transition.

Answer:

C. For example