impenetrable (Adjective) : that cannot be entered, passed through / seen through ; impossible to understand
imperivous (Adjective) : not affected/influenced by something; impenetrable
audacious (Adjective) : willing to take risks/to do something
shockinghaphazard (Adjective) : with no particular order/plan ; not organized well
illogical (Adjective) : not sensible/thought out in a logical way

Correct Option: C

impenetrable (Adjective) : that cannot be entered, passed through / seen through ; impossible to understand
imperivous (Adjective) : not affected/influenced by something; impenetrable
audacious (Adjective) : willing to take risks/to do something
shockinghaphazard (Adjective) : with no particular order/plan ; not organized well
illogical (Adjective) : not sensible/thought out in a logical way

greedy
voracious (Adjective) : eating or wanting large amounts of food etc

Correct Option: B

greedy
voracious (Adjective) : eating or wanting large amounts of food etc

fleeting (Adjective) : lasting only a short time ; brief
transient (Adjective) : fleeting; temporary; continuing for only a short time

Correct Option: A

fleeting (Adjective) : lasting only a short time ; brief
transient (Adjective) : fleeting; temporary; continuing for only a short time

glittering
scintillating (Adjective) : very clever, amusing and interesting

Correct Option: D

glittering
scintillating (Adjective) : very clever, amusing and interesting

sympathetic
humane (Adjective) : showing kindness towards people and animals

Correct Option: A

sympathetic
humane (Adjective) : showing kindness towards people and animals