In the following question, a sentence / a part of sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option. I think so she will come to the party.

• So I think she will come to the party.
• I am thinking she will come to the party.
• I think she will come to the party.
• No improvement