A. 5’ UCGAUCGCA 3’
B. 3’ TCGATCGCA 5’
C. 5’ TCGUTCGCU 3’
D. 3’ AGCTAGCGT 5’
The complimentary base pairing of DNA states that A pairs with T while C pairs with G. From the give sequence, the complimentary DNA strand will be 3’ TCGATCGCA 5’
Therefore, the Correct Answer is B.