The first women to climb Mt. Everest was

Karoline Mikkelson
Junko Taibei
Valentina Tereshkova
None of the above

The correct answer is: B. Junko Taibei

Junko Tabei was the first woman to reach the summit of Mount Everest, the highest mountain in the world. She reached the summit on May 16, 1975, at the age of 35.

Karoline Mikkelson was a Danish mountaineer who attempted to climb Mount Everest in 1950. She was the first woman to reach the South Col, but she was unable to reach the summit due to bad weather.

Valentina Tereshkova was a Soviet cosmonaut who was the first woman in space. She was not a mountaineer, and she did not attempt to climb Mount Everest.

None of the above is the correct answer.