Final answer:
The didactic line in 'The Wanderer' is 'Never his affliction too quickly should a man from his breast make known.'
Step-by-step explanation:
The line that best shows the didactic style in the poem 'The Wanderer' is line A. It says, 'Never his affliction too quickly should a man from his breast make known.' This line gives advice or moral instruction, which is a characteristic of the didactic style. It aims to teach the reader a lesson or impart wisdom.
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