Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage

More ___(1)___ 13,000 staff work with UNICEF, with approximately 85 per located in the field in 190 countries. Seven regional offices and over 124 country offices worldwide, 34 national committees, a research centre in Florence, a supply division in Copenhagen, a shared services centre in Budapest and offices in Berlin, Brussels, Seoul and Tokyo, and UNICEF headquarters ___(2)___ New York and Geneva work on helping children survive and thrive, from early childhood through adolescence.
We employ committed professional ___(3)___ in our five focus areas: Child Survival and Development, Basic Education and Gender Equality, HIV/AIDS, Child Protection and Policy Advocacy and Partnerships. We ___(4)___ employ staff with expertise in administration and finance, human resources, information technology, supply and logistics as well as external relations and communication. UNICEF’s presence in humanitarian crises means that we also seek experts ___(5)___ emergency preparedness and response.