Can we draw the following hypothesis from the context (see options)?

Context:

Thus, China's President repeatedly sent letters and envoys to the Dalai Lama and to the Tibetan Government asking that Tibet "join" the Republic of China.

Hypothesis: The Dalai Lama was unsure if he wanted to join China.
Select from: (A). Yes (B). It's impossible to say (C). No
(B).