Allen Was Negotiating to Rent a Flat in Bob's House

Allen was negotiating to rent a flat in Bob's house.During the negotiations,Allen told Bob that if he took the flat,he would have use of two basement rooms for the storage of his surplus furniture and also the use of the garden.Subsequently,a written agreement was drawn up for the lease of the flat that made no reference to either the storage rooms or the garden.In this case

A) because the negotiations were not included in the contract,Allen will get the flat,not the storage rooms or garden.
B) because of the parol evidence rule,Allen cannot give evidence of the use of the storage rooms and garden as being part of the contract.
C) although the parol evidence rule applies,the contract being partly oral and partly written,Allen can give evidence about the storage rooms,but not the garden.
D) although the parol evidence rule applies,the contract being partly written and partly oral,Allen can provide evidence of the oral part of the contract about the storage rooms and garden.
E) none of the above