Question

a team led by portuguese researcher isabel c.f.r. ferreira found that many species of mushrooms contain chemicals called phenolic compounds, such as protocatechuic acid and biochanin. ferreira detected protocatechuic acid in agaricus bisporus mushrooms and biochanin in ganoderma lucidum mushrooms. which choice completes the text with the most logical transition? a) nevertheless, b) however, c) for this reason, d) for example,

Explanation:

The first - part of the text states that many mushroom species contain phenolic compounds like protocatechuic acid and biochanin. The second - part gives specific examples of mushrooms (Agaricus bisporus and Ganoderma lucidum) and the phenolic compounds found in them. "For example" is used to introduce examples, which is appropriate here. "Nevertheless" and "However" are used for contrast, and "For this reason" is used for showing a cause - effect relationship.

Answer:

D. For example,