A 7 yrs old girl is brought with complaints of generalized swelling of the body. Urinary examination reveals grade 3 proteinuria and the presence of hyaline and fatty cast. she has no history of hematuria. which of the following statement about her condition is true -

• A. I gA nephropathy is the likely diagnosis
• B. Alport's syndrome is the likely diagnosis
• C. No I gG deposits or C3 deposition on renal biopsy
• D. Her C3 levels will be low