Yes yes it is D is the correct answer<span />
I believe the answer is archetypal symbols.
<span>1 archaic : happy, pleased
2 archaic : inclined, desirous
3 a : willing
he was very fain, for the young widow was “altogether fair and lovely … ” — Amy Kelly
b : being obliged or constrained : compelled
Great Britain was fain to devote its whole energy … to the business of slaying and being slain — G. M. Trevelyan</span>
“Another tropical storm” is the complete subject. And the simple subject is “tropical storm”
Hope it works! Good luck:)