Yes, because you are required to tell them what your marital status is. Not doing so can result in your deportation.
J Charles Ferrari Eng & Nishimura 213.622.2255 The statement above is general in nature and does not constitute legal advice, as not all the facts are known. You should retain an attorney to review all the facts specific to your case in order to receive advise specific to your case. The statement above does not create an attorney/client relationship. Answers on Avvo can only be general ones, as specific answers would require knowledge of all the facts. As such, they may or may not apply to the question.
You must fully disclose all pertinent information to CIS. I'd encourage you to retain counsel to determine if you have an independent ground of eligibility for either asylum or another immigration benefit to protect yourself.
You should have the assistance of an attorney when filing for benefits. The forms may seem simple but a mistake can be very costly. Now is not the time to be looking to save money. It may wind up costing you much more later on. Good luck.
LEGAL DISCLAIMER: The answer(s) given are only to be deemed general in nature as all of the facts of your case were not provided and thoroughly reviewed. Any answers are NOT to be deemed as attorney advice as a full legal opinion can NOT be provided at this time without a complete analysis of all of the facts regarding your particular matter. Any and all statements provided do NOT in any way create any type of attorney/client relationship.