How did the Spanish language change over time?

• ppl from many spainsh-speaking countries added new words & different pronunciations
  
• people mixed the language w/ French
  
• hasn't changed in any notable way
  
• hasn't mixed w/ other languages
  

( i think it's B, but correct me if i'm wrong)


Which is a one distinguishing feature in the English language that is absent in Spanish?

• capital and lowercase letters
  
• consonants and vowels
  
• long vowels
  
• combined sounds and silent letters
  

(i picked D, correct me if i'm wrong)


I just want to double check.