Suddenly what have been familiar about this man's voice clicked in my mind. He was speaking German with a distinct Viennese accent. He spoke exactly like all my relatives, the ones I had left so may years ago
B. She hopes to win his sympathy through their common ground.
Explanation:
If your talking about the question, What is Miep’s motivation in this excerpt? than it's B. She hopes to win his sympathy through their common ground.