choose the correct sentence A, B, C or D.
A:
The starry sky at night in the countryside is more clearer and more fantastic than that in cities.
B:
The starry sky at night in the countryside is more clear and fantastic than that in cities.
C:
The starry sky at night in the countryside is clearer and fantastic than that in cities.
D:
The starry sky at night in the countryside is clearer and more fantastic than that in cities.