Final answer:
The provided sentences support the inference that domestic German shepherds and wolves have common physical traits. However, it does not make any implications about behaviors, mistaken identities, or traits with other dog breeds.
Step-by-step explanation:
The inference supported by the sentences is that domestic German shepherds and wolves share common physical traits such as shaggy fur, erect ears, and a heavy, curled tail. However, this doesn't necessarily imply anything about their behaviour (option A and B), nor does it mean that wolves will confuse them for other wolves (Option B, despite the typo). Similarly, it doesn't mean that wolves share physical traits with dogs other than domestic German shepherds (option D, despite the typo). It's a simple observation that these specific features are common between the two species.
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