The wordpart (the part of the word, morpheme) gam- (found in -gamous, as in polygamous) means marriage - option b. Its origin is in Greek.
Stage directions are small lines put into the script (often in italics) that give the reader an idea of potential movement, what's going on in the scene, what other characters may be experiencing or the expression one may see on their faces. That would mean C is the best possible answer here.
The landmass that is surrounded on all sides by water is called an Island.
The Roman poet Ovid, in his Metamorphoses, Book X, relates that Pygmalion, a sculptor, makes an ivory statue representing his ideal of womanhood and then falls in love with his own creation, which he names Galatea; the goddess Venus brings the statue to life in answer to his prayer.