The answer would be all of the above
<u>Answer:</u>
Gerund phrase in the given sentence is ‘reading about history’.
<u>Explanation:</u>
A gerund are words formed with a “verb” ending with ‘ing’ but they act as nouns. For example: swimming, reading, drinking etc can be used as “gerunds”.
A “gerund phrase” will begin with gerund and include other objects and modifiers. The entire gerund phrase acts as noun in the sentence. For example, in the sentence, “I recommend reading books at home”, gerund phrase is ‘reading books at home’.
In the given sentence, gerund phrase ‘reading about history’, begins with gerund - ‘read’+ ‘ing’. It is acting as direct object here. If you ask a question, what Caroline loves? Answer is ‘reading about history’.
The word with an affix that means "full of" is D. Stupendous. Stupenduos contains an adjective suffix which means "full of". Other examples like the words 'Poisonous', meaning full of poison and 'joyous' meaning full of joy. Stupendous means astounding or extraordinary.
I think a good title would be The Secret. If you wanted to be more specific, you could call it The Secret of ____ (whatever the guy's name is.) Just a suggestion. I love to write stories too. Hope this helps! ^-^