Shortly after sunset there
were juddering green stabs of lightning to the south, but by a quarter to one in the morning there had been nothing in the warm, wet July air over Cape Canaveral but a thin patchwork of moonlit cloud.
a) were juddering green stabs of lightning to the south, but by a quarter to one in the morning there had been nothing in the warm, wet July air over Cape Canaveral but
b) has been juddering green stabs of lightning to the south, but by a quarter to one in the morning there is nothing in the warm, wet July air over Cape Canaveral but
c) had been juddering green stabs of lightning to the south, but by a quarter to one in the morning there is nothing in the warm, wet July air over Cape Canaveral but
d) is juddering green stabs of lightning to the south, but by a quarter to one in the morning there was nothing in the warm, wet July air over Cape Canaveral but only
f) have been juddering green stabs of lightning to the south, but by a quarter to one in the morning there is nothing in the warm, wet July air over Cape Canaveral exc