The correct corresponding order of names of four aldoses with configuration given below
respectively, is
L- erythrose, L- threose, L- erythrose, D- threose
D-threose, D-erythrose, L-threose, L-erythrose
L-erythrose, L-threose, D-erythrose, D-threose
D-erythrose, D-threose, L-erythrose, L-threose
As discussed in
D-Erythrose D-Threose L-Erythrose L-Threose
Option 1)
L- erythrose, L- threose, L- erythrose, D- threose
This answer is incorrect
Option 2)
D-threose, D-erythrose, L-threose, L-erythrose
This answer is incorrect
Option 3)
L-erythrose, L-threose, D-erythrose, D-threose
This answer is incorrect
Option 4)
D-erythrose, D-threose, L-erythrose, L-threose
This answer is correct