Choose the best option A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions

1-5) Choose the best option A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Example:
0. A. map
B. cat
C. hat
Dcar
1. A. met
B. when
C. forest
D. leg
2. A. question
B. student
C. instruction
D. cost
3. A. compass
B. long
C. wonderful
D. comfortable
4. A. amazing
B. valley
C. backpack
D. map
5. A. rivers
B. deserts
C. mountains
D. oceans