The climate is characterized by a mean total annual rainfall of between 86cm and 90cm, all occurring within a period of six months: a mean annual temperature of about 280°C with a monthly range of up to 15°C and an annual water deficit in excess of 50cm. The description above refers to tropical ?

• A.humid climate
• B.dry-and-wet climate (Guinea)
• C.dry-and-wet climate (sudan)
• D.dry -and-wet climate (Sahel)
• E.semi-desert climate