In May 2020, which country has begun building a prototype of its first stealth bomber which should be completed next year?

In May 2020, which country has begun building a prototype of its first

1.	In May 2020, which country has begun building a prototype of its first stealth bomber which should be completed next year?
A.	USA
B.	China
C.	Russia
D.	Japan
E.	Germany
Answer» D. Japan