(suppose)the earth could be covered with sensors.可以用下面哪个代替supposeA, on condition that B, providing that C, say D,allowing that

(suppose)the earth could be covered with sensors.可以用下面哪个代替supposeA, on condition that B, providing that C, say D,allowing that
(suppose)the earth could be covered with sensors.可以用下面哪个代替suppose
A, on condition that B, providing that C, say D,allowing that

(suppose)the earth could be covered with sensors.可以用下面哪个代替supposeA, on condition that B, providing that C, say D,allowing that
.都可以.