Possible Duplicate:
Are there rules about using “that” to join two clauses?
I have seen the car that they bought.
There is more than one option that they can take.
Which is correct?
Possible Duplicate:
Are there rules about using “that” to join two clauses?
I have seen the car that they bought.
There is more than one option that they can take.
Which is correct?
Both your examples are grammatical. However, that may be omitted from this kind of relative clause when, as in your examples, it is the object.
(You will see that I have edited the title of your question. It’s important to learn the difference between the present participle (confusing) and the past participle (confused).