Answer: I
Direct Object is the thing being acted by the verb. For example in this sentence: watching is the verb, so then ask watching what? Tv. So tv is the direct object.
Indirect object is noun doing the verb. So for this example, who is watching the tv? I. I is the person doing the action so I is the indirect object.
in order to achieve something you have to first want to achieve it
I am pretty sure it would be massive because it is an English question. If you are doing a multiple choice question you should see which one fits the best. If could also be positive impact.
B. A possessive noun should have its instead of it's (which is a contraction for it is).
For A. Diana is a singular noun and the apostrophe should come after the r instead of after the s.
For C. The duck would've dunked ITS instead of IT'S beak since it is possessive.
For D. You do not need to put an apostrophe since theirs is already a possessive noun.