What are the missing letters in these words? D

What are the missing letters in these words? D

[style]2[/style] [question] [{ 'title': 'What is the missing letter?', 'image':"https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPf9K5E6Ew1IWWeg0M6p3qIz_a8MS6dbMtBLIb5MQs90y3UCPJoUWRs6W6Rc1Y3OpeqdO05nTKxe-pLtm7SYVOJQSSspsoVu_2ABnjyi8oeeOXduO4Z3o9Ua6sl19oWRo5GoZdfVQRtFX5WcAzEWLVdPYvy6MFpfdt1thEg3n2MANgp6r44WVbcKKR/s600/1.jpg", 'answer': [ "__D", "V", "B", "C" ] }, { 'title': 'What is the missing letter?', 'image':"https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEipOIWPGfInLZhtZMP8x13zoJRp_R4PIXrX1Kc7UvtIDhSQDKAWZL_UVIZvqKHgC6ZAjxaAagYouW7B3WcrGOuw6KoGNFyfZ8WyDud4AyrysjdtAWVTVMJkEx6FgT43d4AxaE7AbYMEoSgz4OWwHi-5qGdyWLl4T3GvjnyqykmYj5DBMnB9KjyyELZb/s600/2.jpg", 'answer': [ "E", "__K", "D", "B" ] }, { 'title': 'What is the missing letter?', 'image':"https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhU_cptHI_H0RYdaTNiUN0tGCpb8ToE39SY1m7EmXH4tVfzgupJwHqKSGMMG3w9kvF-R3MlmlRbK6490iAZo7_5Cc4qlzFRzH4jFQkNn09bxMbcTE8CKAKcHaUsAN4xH_HWkP_4KviKzVR6YFe5xcfnmBmLIQ4lWoemmrcAAhA1Jw8e5X51NnsLlA3P/s600/3.jpg", 'answer': [ "A", "O", "__U", "B" ] }, { 'title': 'What is the missing letter?', 'image':"https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilggWMmoyZgH3w3C9Vna9xAajw1CMSQUtiDK0y7jOICF4eYN5brw6oRHPyrdEz57K7k-mthBh7xZi7lnPkkSc1zINcMAN43V0IAsG4hOzP6ByA4OUJb29bOIrrfU5xtJfurJRRfzVxLS4DQ2cfezJWW8vXoE2Drqchsbb5qBnLOKGW0B1O0rwJF8Gf/s600/4.jpg", 'answer': [ "E", "O", "D", "__K" ] } ] [/question]