[amp_mcq option1=”STU” option2=”RST” option3=”RTV” option4=”SRQ E. TUV” correct=”option1″]
The correct answer is $\boxed{\text{STU}}$.
The sequence is a simple letter progression, with each letter three places after the previous letter in the alphabet.
- DEF
- HIJ
- MNO
- STU
The other options are incorrect because they do not follow the same pattern.