This is a very tough question with many things happening simultaneously .
There is X rather than Y construction and Instead of construction .
Use of gerund .
Instead of is used to indicate a substitute for example
I use a parker pen instead of a cello pen.
Rather than is correct here which shows contrast perfectly here .
The should be parallelism between the verb accept and sailed .
If is wrong because it is used to show conditional sentences
Whether is used to show some doubt about something.
Only
...
There is X rather than Y construction and Instead of construction .
Use of gerund .
Instead of is used to indicate a substitute for example
I use a parker pen instead of a cello pen.
Rather than is correct here which shows contrast perfectly here .
The should be parallelism between the verb accept and sailed .
If is wrong because it is used to show conditional sentences
Whether is used to show some doubt about something.
Only
...



.jpg)



