Christina Koch is Set to Return to Earth

Current context: US astronaut Christina Koch is set to return to Earth on 6th February 2020.

• Christina Koch has shattered the spaceflight record for female astronauts by spending almost a year aboard the International Space Station (ISS).
• Koch has spent 328 days on ISS, surpassing the previous record held by fellow American Peggy Whitson.
• She is onboard the International Space Station since 14th March 2019.
• She will come back in a Russian Soyuz spacecraft, parachuting down to a landing on the steppes of Kazakhstan.
• Her stay is just 12 days short of the all-time US record set by Scott Kelly (Kelly was on the ISS from 2015-2016).
• Koch also surpassed the 289-day record set by fellow American Whitson on 28 December 2019.

Question: 

Q.1 US astronaut ________________ is in news for completing the longest-ever single spaceflight by a woman in Space?
a. Peggy Whitson
b. Christina Koch
c. Vladimir Dzhanibekov
d. Valeri Polyakov