The correct answer is option A. direct object. The direct object is a pronoun, noun clause, or noun phrase that indicates a thing or person that is affected by the action of the verb. The direct object can be found by finding the verb and asking what? (or whom?). In this case, <em>what did I give to my best friend?</em> I gave <u>the last slice of pizza</u>, thus this noun phrase functions as direct object of the sentence.
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B. The accountant who is secretly a great artist
"How to plant" is the indirect object because it's referring to the main idea without affecting the action.
You should try going to the trouble shoot page on facebook it's probably gonna give everything like the problems most people have and problems the app/site is experiencing.