The correct answer should be C) bias
If the person works for a national energy company there is high chance that the person would be a bit biased towards installing the new systems. This should definitely be checked.
A common noun are words like house. Year
Answer:
they both have a striking sound
Explanation:
1) C
A - them is unnecessary in this and you would need to add “his” in order for this to work
B- His is unnecessary, “both sisters are taller” is more proper sounding
D - “the two both his sisters are taller”, the two is unnecessary, and the is unnecessary, to make this work it would be “both his sisters are taller”
2) Im pretty sure it’s B but I’m not 100% sure