On April 12,1961,-----27—year—old Yuri Gagarin(尤里.加加林)became

On April 12,1961,_____27—year—old Yuri Gagarin(尤里.加加林)became the first human to go into_____ space.A.the;不填 \x05\x05B.the; the\x05C.a;不填 \x05\x05D.a; the