Correct Answer & Explanation
Option B
The word 'DECIPHER' means to convert (a text written in code, or a coded signal) into normal language, or to succeed in understanding something difficult or obscure. 'Interpret' means to explain the meaning of (information, words, or actions). Thus, 'Interpret' is a direct synonym.
• Obscure: not discovered or known about; uncertain.
• Confuse: to make (someone) bewildered or perplexed.
• Encrypt: to convert information or data into a code, especially to prevent unauthorized access.