to bring to light : reveal or disclose something previously hidden or secret. Here, to reveal is the right option. Look at the sentence :
● After careful investigation all the facts of the case were brought to light.

Correct Option: B

to bring to light : reveal or disclose something previously hidden or secret. Here, to reveal is the right option. Look at the sentence :
● After careful investigation all the facts of the case were brought to light.

to take to heart : to feel keenly, be greatly grieved at; be much affected by something. Here, to be greatly affected is the right option. Look at the sentence :
● He really took it to heart when I asked him to reconsider.

Correct Option: A

to take to heart : to feel keenly, be greatly grieved at; be much affected by something. Here, to be greatly affected is the right option. Look at the sentence :
● He really took it to heart when I asked him to reconsider.

to add fuel to the fire : to make something especially an argument worse. Here, make things worse is the right option. Look at the sentence :
● His remarks simply added fuel to the fire of her rage.

Correct Option: C

to add fuel to the fire : to make something especially an argument worse. Here, make things worse is the right option. Look at the sentence :
● His remarks simply added fuel to the fire of her rage.

gall and wormwood : hateful; bitter. Here, hateful is the right option.

Correct Option: B

gall and wormwood : hateful; bitter. Here, hateful is the right option.

every inch a gentleman : completely; entirely. Here, entirely is the right option.

Correct Option: C

every inch a gentleman : completely; entirely. Here, entirely is the right option.