it is c. the answer is c. otherwise known as the third choice.
I’m not 100% sure what you’re supposed to do but it seems like it’s D
Answer:
On April 12, 1961, aboard the spacecraft Vostok 1, Soviet cosmonaut Yuri Alekseyevich Gagarin becomes the first human being to travel into space.
What do you mean?? cause i don’t get what you trying to say?