MM
Mashaal Masha
Jan 09, 2024
In 1990, California native and researcher Ellen Ochoa left her position as chief of the Intelligent Systems Technology Branch at a NASA research center ________ the space agency's astronaut training program.
Which choice completes the text so that it conforms to the conventions of Standard English?
Difficulty: Easy
A:
to join
B:
is joining
C:
joined
D:
joins
ID: 659d9c8b161c1373e8b83a09