______ set a record for the longest single spaceflight by a woman 328 days in a mission on the orbiting laboratory ?

(a) Jessica Meir
(b) Christina Koch
(c) Anne McClain
(d) Peggy Whitson

Christina Koch set a record for the longest single spaceflight by a woman — 328 days — in a mission on the orbiting laboratory that spanned 5,248 orbits of the Earth and 22,36,99,000 km approximately.