Read the sentence: 'The artist's latest sculpture was an **abstruse** arrangement of metal and light, challenging viewers to find any discernible pattern or meaning.' Based on the context, what is the best definition for the word 'abstruse'?

✓ Correct Answer: Option B

The phrase 'challenging viewers to find any discernible pattern or meaning' indicates that the sculpture was hard to comprehend. Therefore, 'difficult to understand' is the best definition for 'abstruse' in this context.