The weather in Sichuan is wrong.

A, according to legend, it is raining in Lushan County; So wrong;

B, look at the map, Lushan County is located in the east of Hengduan Mountains, the second step; So wrong;

C reading the map shows that the latitude and longitude of Lushan county in Sichuan province is 30.3 N,103.0e; ; Therefore, correct;

D Lushan County is located between the Eurasian plate and the Indian Ocean plate; All wet.

So choose: C.