Should be 3. This is biology not english- and the gametes normally contain half is what I was taught.
When orpheus loses his love eurydice again
It thought of as punctuation, a half cadence is like a comma . So, the answer that you are looking for is d) half cadence.
2. External
explanation: he was concerned with the people on the street, in the real world
3.Internal
explanation: his conflict was happening in his thoughts, in his mind