The correct option is B FAMOUS
Given POPULAR is coded as QPQVMBS
Here each letter is coded as:
P +1−−−→ Q
O +1−−−→ P
P +1−−−→ Q
U +1−−−→ V
L +1−−−→ M
A +1−−−→ B
R +1−−−→ S
Similarly, the word which is coded as GBNPVT is
F +1−−−→ G
A +1−−−→ B
M +1−−−→ N
O +1−−−→ P
U +1−−−→ V
S +1−−−→ T
Hence, option (B) is the correct answer.