What is the variation in accentuation for second declension masculine nouns in Greek? If the second declension masculine noun is paroxítona, the a...

What is the variation in accentuation for second declension masculine nouns in Greek?

If the second declension masculine noun is paroxítona, the accentuation does not change in any form.
If the second declension masculine noun is oxítona, the accentuation of the Genitive and Dative (Singular and Plural) changes to a circumflex (~).
If the second declension masculine noun is proparoxítona, the accentuation remains only in the Nominative and Accusative Singular forms. In all other forms, the accent advances, making the term paroxítona.
a) Only statement I is correct.
b) Only statement II is correct.
c) Only statement III is correct.
d) Statements I, II and III are correct.
e) All statements are incorrect.